Conceptualization and measurement of perceived risk of online education.
Mohamed, Fatma A. ; Hassan, Ahmad M. ; Spencer, Barbara 等
INTRODUCTION
Online education (OE) is coming of age. Over the past few years, a
stream of technological innovations, from video streaming to virtual
online classrooms, has allowed educational institutions and their
faculty members the opportunity to experiment with new teaching methods
and to offer new types of degree programs beyond the traditional
classroom setting. As a result, students are able to enhance their
knowledge and to earn degrees without leaving their jobs and families,
and in some cases, without setting foot on a college campus.
Today's OE programs can allow students to attain their educational
goals in a manner that is flexible, convenient and cost effective
(Furst-Bowe & Dittmann, 2001; Anderson, Banks & Leary, 2002).
The question is, how do they perceive this opportunity? That is, do
students perceive online programs as comparable to on-campus work, or do
they perceive such offerings as higher risk alternatives?
Recent trends appear to suggest that perceptions of OE are becoming
more positive. In the five year period from 2002-2007, the number of
online students more than doubled (Allen & Seaman, 2008). During the
fall 2007 term, nearly 3.9 million students, approximately 20-25% of all
students in U.S. colleges, took at least one online course. While many
of these students are off-campus students with a wide variety of ages,
work experience and family circumstances, about half of all online
enrollments are estimated to be traditional students seeking online
courses for reasons of convenience (Mayadas, Bourne and Bacsich, 2009).
Most of these students are at public institutions; more than two-thirds
of all higher education institutions in the United States have
implemented some form of online offerings (Allen & Seaman, 2007).
Yet, research has shown that the perceptions of people about risk
rarely coincide with the actual risk of certain activities (Kaspar,
1979). Moreover, in the context of OE, there is no comprehensive
research that measures the way that people assess multiple aspects of
risk in relation to their intention to enroll. That is, they may be
attracted to this form of education for its convenience, while at the
same time, concerned about its effectiveness, their ability to
communicate with other students, or their likelihood of success.
Understanding these factors is important in the short run, because they
may differentially affect students' intention to enroll in online
classes at all or their decision to enroll in one program versus another
(Campbell and Goodstein, 2001). In the long run, a better understanding
of the risks associated with OE may help faculty and administrators to
influence the learning process in a positive way. For instance, if
social factors constitute an important dimension of the perceived risk
associated with OE, then programs can be designed to enhance interaction
throughout the learning process using processes that range from
old-fashioned team assignments to technologically driven virtual
classrooms. Consequently, this study takes the first steps in developing
a scale for measuring multiple dimensions of perceived risk in OE
programs.
The study is organized as follows: First, it describes the notion
of perceived risk in OE and defines the types of perceived risk in the
OE context. Second, the study creates the item pool that matches the
potential dimensions of perceived risk in the OE context and ensures
construct validity by using focus groups and a panel of experts to judge
the face validity of the construct. Third, the study relates the
dimensions of perceived risk to a variety of student demographics to see
how different students view online education.
THE NOTION OF PERCEIVED RISK IN OE
Mitchell (1998) defines risk as "the variation in the
distribution of possible outcomes, their likelihood and their subjective
values" (Mitchell, 1998). The decision to enroll in an online class
involves risk because doing so could lead to unexpected or uncertain
consequences, some of which could be negative. Potential online students
may wonder if they can learn as well online as in a traditional
classroom, whether they will be able to communicate with the teacher or
their peers, whether their grades will suffer, whether they can finish
their program in a timely manner and so on. Their perceptions of these
issues, whether accurate or not, will affect their intention to enroll.
Risk assessment is highly subjective. Research has shown that
perceptions of people about risk do not always coincide with what we
know to have been the actual risk of certain activities (Kasper, 1979).
Introduced by Bauer (1960), the concept of perceived risk has been
defined as the unexpected and uncertain consequences associated with a
product or service that are likely to be unpleasant. Perceived risk has
become a central concept in the marketing literature because it helps to
explain the consumer's intention to purchase (Mitchell et al.,
1999). Specifically, higher perceived risk reduces the intention to
purchase because consumers wish to avoid negative outcomes (Bettman,
1973). In the context of OE, intention to purchase is equivalent to
intention to enroll.
Although Bauer's initial work (1960) viewed perceived risk as
a two-dimensional construct (i.e., uncertainty and negative
consequences), more recent work views it as a multidimensional construct
including financial risk, performance risk, physical risk, psychological
risk, and social risk (Jacoby & Kaplan, 1972). Several other
potential sources of perceived risk include time risk (Roselius, 1971),
source credibility risk (McCorkle, 1990) and privacy risk (Elliot,
1995).
A review of these studies reveals that the importance of various
perceived risk dimensions varies widely across different situations.
Thus, perceived risk appears to be extremely context-dependent (Stone
& Gronhaug, 1993). In online education, students interact with their
instructors primarily through the internet and other computer networks
as opposed to face to face contact in classrooms or faculty offices
(Haigh, 2007). Today's increasing acceptance of online education by
students, faculty and administrators was not widely anticipated. Over
the years, many research studies have pointed to likely disadvantages or
limitations of online learning. Taken together, this body of work seems
to suggest that several sources of perceived risk are relevant to this
context.
Perceived psychological risk reflects concern about the
psychological discomfort and tension that may arise because of
enrollment in an OE program. Past research has suggested that some
online students feel more isolated (Brown, 1996); frustrated, anxious
and confused (Hara & Kling, 2000; Piccoli, Ahmad & Ives, 2001)
than traditional students. In addition, OE students can experience
reduced feelings of belonging to the class (Salisbury et al., 2002), and
miss the discussions and participation associated with a traditional
classroom (Egan et al., 1992; Salisbury et al., 2002; Furst-Bowe and
Dittman, 2001
Finally, some research suggests that online students may fear that
they cannot complete their degree work because they lack discipline,
writing skills and self-motivation (Golladay, Prybutok & Huff,
2000). Even today, attrition rates for OE students are 10-20% higher
than those among students in face-to-face settings (Angelino, Williams
& Natvig, 2007).
Perceived performance risk relates to concerns about whether a
program will perform as desired or deliver promised benefits. This type
of risk has been reflected in research showing that OE students
perceived instructors to be less well prepared, to use less appropriate
teaching methodologies, and to give heavier workloads than their
on-campus counterparts (Clow, 1999; Furst-Bowe & Dittman, 2001). OE
students have also reported less satisfaction than their on-campus
counterparts with the level of interaction with instructors (Egan et
al., 1992; Salisbury et al., 2002; Furst-Bowe & Dittman, 2001);
particularly when they failed to grasp the material (Egan et al., 1992,
Clow, 1999).
Finally, OE students have reported that their knowledge of the
subject material increased less and that the course was of less value
than students taking the class in the traditional format (Anderson,
Banks & Leary 2002). Furthermore, OE students often experience some
type of technical problem during their courses (Furst-Bowe and Dittman,
2001). Indeed, some of the negative assessments of OE may be due the
students' difficulty in differentiating between their perceptions
of the professor and their perceptions of the delivery system
(Silvernail & Johnson, 1992).
Perceived Time-demand risk involves fears about the amount of time
and effort that will be required to complete online courses. For many
students, a major benefit of online education is the flexibility and
convenience of taking such courses from home; however, for those who are
employed full time or have family obligations, concerns about the time
demands can still arise. In their study of student perceptions of online
learning, Smart and Cappel (2006) found that study participants
complained about losing previously saved work, the slowness of screen
loads and the length of the assignments. Thirty percent of their
subjects said that the online units were too long and took too much time
to complete. In addition, some OE students have reported frustrations
with time spent on carrying out online administrative services such as
obtaining textbooks, library access and advising (Furst-Bowe and
Dittman, 2001).
Perceived social risk relates to concerns about what others will
think about us. In the OE context, students may fear that an online
degree may not be well accepted by friends and family, or particularly
by employers.
Perceived source risk reflects concern over the credibility of the
university offering OE programs. Research shows that when considering
whether to enroll in an OE course, students worry about the location of
the institution, the reputation of the institution, and whether the
program will accept transfer credits earned at other institutions
(Furst-Bowe and Dittman, 2001). They also worry that prospective
employers may question the value of an OE school or program in
comparison to a traditional one.
The next section describes the procedures used to develop a scale
to measure these sources of perceived risk.
OVERVIEW OF SCALE DEVELOPMENT AND QUESTIONNAIRE DESIGN
This study followed the scale development paradigm described by
Churchill (1979), DeVellis (1991), and Spector (1992) in generating a
perceived risk in OE item pool, purifying the scale, and demonstrating
the reliability and validity of the scale. The first step in any scale
development is to use the definition to generate a number of items
designated to capture the conceptual and logical true variance present
within the construct (Churchill, 1979; DeVellis, 1991; Spector, 1992).
As stated earlier, risk perception is an individual's subjective
assessment of the potentially negative outcomes of a situation.
According to Jacoby and Kaplan (1972) and Roselius (1971), perceived
risk is a multidimensional construct including an array of factors that
may be viewed as uncertain or unpleasant.
After examining the literature on perceived risk, we followed
DeVellis's advice by holding two focus groups with students who had
taken one or more OE courses. The first group consisted of 12
undergraduate students, 5 of whom had enrolled in an online class
before, and 7 of whom had not. The second group consisted of 10 graduate
students, all of them who had enrolled in online classes. The focus
groups allowed for the assessment and exploration of the key variables
that would impact the perceived risk of OE.
The first step in the focus groups was to ask open-ended question
about the students' problems or concerns about enrolling in on line
classes. These questions related to each of the dimensions of risk
mentioned in the literature: financial, performance, psychological,
social, physical, time demand, source credibility, and privacy.
In each group, students identified concerns associated with five of
these dimensions: performance, psychological, social, time demand, and
source credibility. Physical risk was not viewed as a factor since OE
courses could be taken at home. Privacy was not viewed as an issue
either. It was widely agreed among the students that they didn't
have any problem with their privacy, since everything in online classes
was password protected, and no one could access their work and grade
book except the instructor. Regarding the financial risk, they mentioned
that having online classes was a source of savings, not risk; they
didn't need to commute, they could stay with their children without
need of day care or baby sitters, and they could avoid living in a dorm
or in any other place away from home.
Therefore, this study considered performance risk, time-demand
risk, social risk, psychological risk, and source risk as the types of
risks in the context of online education. A separate multi-item scale
was developed to assess each of the five dimensions of perceived risk
(the main scale) in addition to a subscale to measure students'
intention to enroll in online classes (to be used in testing the
predictive validity of the main scale). These items were chosen to cover
various aspects of each domain. Items had to focus on a single
dimension, and not bridge two or more dimensions, a feature important
for construct validity. A total of 62 different items were identified
from this first step related to the five dimensions of perceived risk.
The other 5 items were identified related to the subscale to measuring
students' intention to enroll in online classes.
CONTENT VALIDITY
The item pool was developed in an effort to tap each component of
the perceived risk dimensions that were derived from a thorough
literature review and the focus groups. As noted earlier, the focus
groups allowed for the exploration of the key factors related to the
perceived risk of OE. They also helped in performing a thorough
evaluation of the item wording and eliminating any redundant, ambiguous,
or poorly worded items.
Overall, 56 acceptable scale items were generated for the main
scale and 5 items for the subscale. These items were submitted to a
panel of expert judges in order to assess the content validity. These
judges consisted of one education professor, one management professor,
one marketing professor, and one doctoral student in management and
information systems. They were asked to rate the appropriateness and
representativeness on a scale from one (inappropriate and
unrepresentative) to five (appropriate and representative) for each of
the items included in the various domains of perceived risk.
The items that received a rating of less than four were deleted and
other changes were made as recommended. After the elimination of 14
redundant items or "not representative" items, the experts
agreed that the scale items of perceived risk of OE adequately
represented the construct and that each of the subscale items were
representative of the intention to enroll construct. The questions
included the revised scale that consists of 44 items for the main scale
and the subscale of 3 items. It is also included demographic information
such as gender, age, student classification, race, and work experience.
A five-point, Likert-type response format was used.
Sample and data collection
The unit of analysis in this study consists of students who have
had at least one class online. Data were gathered from 257 students.
This sample size exceeds the conventional requirement that five
observations per scale item are needed for conducting factor analysis
(Hair et al., 1998; Stevens, 1996). About 75% of the respondents were
undergraduate and 25% graduate students. The sample consisted of more
females (65%) than males. The mean age was 28 years.
Convenience samples are considered valid under two conditions: if
the study is exploratory in nature and if the items on the questionnaire
are pertinent to the respondents who answer them (Ferber, 1977). This
study satisfies both conditions. Since this is one of the first attempts
to develop a scale to measure perceived risk in OE, this study can
clearly be considered exploratory. Also, since it was a necessary
condition to complete the questionnaire from students to enroll in
online class(es), the scale items are relevant to the respondents.
Scale Purification
Having generated data using the pools described earlier, the next
task was to determine whether any items needed to be eliminated. Items
that correlate negatively with one another (after reversing responses to
the negatively worded item) or items that did not correlate strongly
with the sum of the remaining items were removed. Table 1 provides the
correlation matrix among items in the purified scales.
Then exploratory factor analysis was used on the items of each
scale. Principal component analysis with varimax rotation "using
SPSS" was undertaken for the five dimensions of perceived risk and
the subscale that has been created to measure intention to enroll. The
different dimensions of scales were analyzed, and the items that
didn't satisfy the following criterion were deleted: (1) dominant
loadings greater than .40 and (2) cross-loadings less than .25. The
latent root criterion was used as a criterion for accepting factors,
which specifies an eignevalue greater than 1 to determine the number of
factors to be extracted. In addition, the factor loadings are generally
high, and factor loadings ranged from 0.85 to 0.41. Table 2 shows the
results of the principle components analysis.
Six factors accounted for 61.4 percent of the total variance.
Overall, eight items were retained from the performance risk scale, six
from the time-demand risk scale, three from the social risk scale, four
from the psychological risk scale, four from the source risk scale, and
three from the intention to enrollment scale (See Appendix).
Reliability Assessment
The internal consistency of the six scales exceeded the minimum
level of .70 as assessed by coefficient alpha. Coefficient alpha had
acceptable levels ranging from 0.83 to 0.80 (Nunnally and Bernstein,
1994). The first factor "Perceived Performance Risk" ([alpha]
= 0.82) explained 32.7% of the variance. The second factor
"Perceived Time-demand Risk" ([alpha] = 0.80) accounted for
9.8% of the variance. The third factor "Perceived Social Risk"
([alpha] = 0.82) explained 6.7% of the variance. The fourth factor
"Perceived Psychological Risk" ([alpha] = 0.80) accounted for
5.5% of the variance. The fifth factor "Perceived Source Risk"
(a = 0.70) accounted for 5.2% of the variance. The last factor
"Intention to Enroll" (a = 0.83) explained 3.9% of the
variance. The reliability of the individual items were assessed using
the criterion of item-to-total correlations greater than .50 with
squared multiple correlations of more than .30 (DeVellis, 1991; Hair et
al., 1998).
Predictive Validity
Since students perceived risk relative to OE, this risk should have
an effect on student's intention to enroll in online class(es) in
the future. This relationship is anticipated to be negative since a
higher perceived risk should result in a lower intention to enroll in an
OE program. Zero order correlations and multiple regressions were used
to assess this predictive validity.
Zero order correlations revealed that enrollment intention
significantly and negatively correlated with all the five dimensions of
perceived risk for online classes. Table 3 shows the results of the
correlation analysis.
Although the correlation analyses generally supported the
predictive validity, multiple regression analysis was performed to
further analyze the relationships between the independent and dependent
variables. The results of the multiple regression analysis appear in
Table 4.
These results indicate that four factors of the scale--performance,
time-loss, psychological, and source risks--are strongly predictive of
OE enrollment intentions.
Variation in Perceived Risk
In addition to its relationship to OE Enrollment, perceived risk
varied according to some demographic variables. Using the general linear
model, multivariate method (Table 5), shows different effects. For
instance, female students perceived more performance risk than male
students. Older students experienced more performance risk,
psychological risk and source risk than younger students. Graduate
students experienced more performance, psychological and source risk
than undergraduate students. Students who were working perceived more
time risk and psychological risk than the students who were not working.
Students with more years of work experience perceived more psychological
and source risk than those with less work experience. Students who
worked more hours a week perceived more psychological risk when
considering OE classes than did those who worked less. While at the same
time, students who had taken more online classes perceived more source
risk than those who had taken fewer online classes.
Contributions, Limitations and Opportunities for Future Research
This study reviewed the dimensions of perceived risk and identified
five dimensions that are relevant to the OE context. These dimensions
are: perceived performance risk, perceived time-demand risk, perceived
social risk, perceived psychological risk, and perceived source risk. An
item pool was developed and content validity achieved by independent
judges, who evaluated the appropriateness and representativeness of the
items. After deleting inappropriate and unrepresentative items, 26 items
remained. For these items, the researchers tested the reliability using
coefficient alpha and demonstrated that the results support the
reliability of the scale. Moreover, the researchers tested the
predictive validity of the scale achieving results showing four
dimensions out of five are highly predictive of the intention to enroll
in online courses.
The study shows that even though OE is becoming much more common
and well accepted, perceived risk still occurs and is associated with
the decision of whether or not to enroll in such courses. While this is
a good beginning, the availability of a reliable scale allows us to look
more in depth at a variety of interesting and important questions
concerning online education. For instance, the current study only looks
at the intention to enroll in general. It could be very useful, however,
to see how these dimensions vary when participants are considering the
choice between different programs. It is easy to surmise that source
credibility could vary across programs, but so could expected
performance outcomes and other potential sources of risk. Even more
important would be to find out whether these different risk assessments
affected the intention to enroll differently at unique institutions.
If the administrators of online programs better understood
potential students' fears and concerns, they could market certain
attributes of their programs in a way that might alleviate such fears.
For instance, accredited business schools could promote their AACSB
credentials in order to reduce the fear of source credibility. They
could feature profiles of prior OE students who are now working in
well-known organizations with good jobs.
Faculty could also learn how to enhance the online learning process
through the use of this scale. It would be very interesting to study the
linkage between perceived risk and reported learning outcomes as
moderated by different types of course content. For example, students
may perceive more psychological risk when considering quantitative
classes such as statistics or economics. In such cases, does the
perception of risk actually reduce the possibility of success or
satisfaction with the course? Do those who perceive more risk perform
less well? Or is there an interaction between the type of risk, the
content of the class, and the technology used to teach the class? These
are complex issues which have yet to be evaluated.
This study has some limitations that also deserve comment. One
limitation of the present study was all data were collected through the
same questionnaire during the same period of time with cross-sectional
research design, common method variance, variance that is attributed to
the measurement method rather than the constructs of interest, may cause
systematic measurement error and further bias the estimates of the true
relationship among theoretical constructs. (Avolio, Yammarino, &
Bass, 1991; Bagozzi & Yi, 1990; Crampton, & Wagner, 1994; Doty
& Gulick, 1998; Podsakoff, MacKenzie, Lee, & Podsakoff, 2003;
Podsakoff & Organ, 1986; Spector, 1994; Williams). Therefore,
longitudinal or experimental research is needed to provide a more
rigorous test of the validity of such scales. It is also important to
know how the assessment of risk changes as students become more
experienced in taking classes online. Enrolling in an online class can
be described as purchasing a service. Research in the marketing
literature has shown that perceived risk is higher when purchasing
services vs. products because you must purchase services first and then
evaluate them which results in increased uncertainty (Mitchell &
Greatorex, 1993). Since different institutions and even different
teachers utilize different approaches to OE, the risk may appear high
every time.
A second limitation of the study is its use of one sample for
purifying and validating the scale. The assessment of reliability and
validity should be examined using a new sample in effort to avoid
capitalizing on chance. Third, the study has been conducted at one
university, and this affects the generalizability of the results.
Therefore, more studies are needed using data from several randomly
selected universities. Finally, the effect of the perceived social risk
on the intention to enroll in online classes needs further
investigation.
APPENDIX
Text of Items
Measuring Perceived Risk in Online education
Perceived Performance Risk
I think the instructor will be able to make himself/herself clearly
understood. (RC)
I doubt the instructor will be able to make this type of class work
for all of the students.
I am concerned about the accessibility of the instructor through
phone or fax.
I don't believe the instructor will be very accessible by
e-mail.
I'm worried about getting feedback about my performance from
the instructor.
I'm concerned that the technology used in OE won't be
reliable.
I believe there will be state-of-the-art technology used in OE
courses. (RC)
I don't know who will help me if I have problems with the
technology used in this course.
Perceived Time-Demand Risk
I'm not sure I'll have the time needed to successfully
complete online courses.
I am concerned about the availability of books, required readings,
or other resources in a timely basis.
I feel that the library and research facilities at the remote site
will be inadequate. (RC)
I'm afraid that OE will take too much time away from my
family.
I don't think an online course would interfere with my regular
schedule. (RC)
If I take an online course, I'll have less free time.
Perceived Social Risk
I believe potential employers will be more impressed with a degree
earned through OE than with one earned the traditional way. (RC)
In general, people who earn their degrees through online programs
are held in higher esteem than are traditional students. (RC)
My family will be prouder of me if earn a degree through an online
program than they would if I completed a traditional program. (RC)
Perceived Psychological Risk
I am worried about keeping myself motivated in on-line classes.
I have a feeling that online classes are less important than the
on-campus classes.
Just the thought of taking an online class causes me to feel
stressed.
I think there will be sufficient classroom interaction in an online
class. (RC)
I have trouble paying attention to the class materials when I have
an online class.
Perceived Source Risk
It is difficult to determine the credibility of some universities
offering OE programs.
It is not hard to ascertain the expertise of some universities
offering OE programs. (RC)
It's not difficult to learn the reputation of universities
offering OE programs. (RC)
I'm concerned about the credibility of some universities
offering OE programs.
I think that universities that offer OE programs are just as good
as traditional schools. (RC)
I believe that OE is the "wave of the future". (RC)
Criterion variables (intention to enroll)
If the opportunity arises, I'll enroll in a distance course.
I would never even consider enrolling in a distance-learning
program. (RC)
There's a very good chance that I'll take a
distance-learning course in the future.
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Table 1
V1 V2 V3 V4 V6 V8
V1 1
V2 .38 1
V3 .52 .30 1
V4 .30 .33 .24 1
V6 .26 .29 .33 .43 1
V8 .35 .38 .32 .48 .43 1
V11 .38 .36 .35 .38 .31 .41
V12 .39 .17 .38 .22 .15 .26
V13 .30 .32 .30 .39 .27 .46
V14 .26 .23 .26 .36 .36 .35
V17 .30 .27 .26 .37 .33 .41
V18 .34 .29 .26 .34 .32 .31
V23 .32 .22 .26 .28 .32 .25
V24 .29 .11 * .26 .20 .17 .14
V25 .14 .14 .18 .20 .25 .20
V27 .09 .04 .15 .003 .12 * .02
V28 .09 .06 .13 * .07 .17 .003
V29 .06 .13 * .07 .05 .17 .03
V31 .25 .29 .25 .32 .17 .25
V32 .29 .33 .30 .39 .31 .34
V33 .28 .22 .32 .35 .30 .24
V37 .29 .30 .35 .40 .33 .30
V39 .18 .07 .14 .17 .01 .15
V40 .20 .12 * .15 .20 .10 .15
V41 .14 .17 .06 .20 .13 * .17
V42 .36 .22 .33 .24 .23 .22
V45 .40 .26 .43 .30 .23 .18
V46 .23 .13 * .30 .24 .32 .13
V47 .38 .13 * .40 .23 .23 .08
V11 V12 V13 V14 V17 V18
V1
V2
V3
V4
V6
V8
V11 1
V12 .38 1
V13 .38 .19 1
V14 .38 .20 .48 1
V17 .37 .23 .40 .44 1
V18 .35 .28 .43 .42 .52 1
V23 .35 .20 .31 .45 .44 .36
V24 .27 .25 .23 .42 .28 .32
V25 .18 .06 .29 .39 .32 .30
V27 .10 .12 .02 .04 .08 .03
V28 .12 * .12 * .02 .20 * .01 .004
V29 .08 .10 .010 .04 .02 .009
V31 .33 .19 .36 .42 .30 .32
V32 .41 .23 .41 .36 .34 .33
V33 .32 .23 .37 .45 .42 .41
V37 .41 .21 .42 .37 .39 .32
V39 .13 * .26 .10 .06 .07 .08
V40 .13 * .25 .14 .07 .11 .12
V41 .26 .14 .20 .23 .24 .25
V42 .30 .27 .30 .32 .32 .29
V45 .36 .40 .39 .34 .35 .34
V46 .26 .19 .40 .34 .32 .26
V47 .27 .27 .35 .30 .27 .28
V23 V24 V25 V27 V28 V29
V1
V2
V3
V4
V6
V8
V11
V12
V13
V14
V17
V18
V23 1
V24 .36 1
V25 .49 .38 1
V27 .04 .10 .04 1
V28 .07 .09 .05 .69 1
V29 .18 .04 .002 .52 .57 1
V31 .32 .22 .22 .17 .07 .11 *
V32 .36 .24 .27 .21 .16 .12 *
V33 .56 .32 .44 .05 -.06 .03
V37 .37 .26 .27 .14 .04 .05
V39 .02 .10 .03 .21 .21 .13 *
V40 .16 .20 .10 .13 * .19 .05
V41 .20 .19 .21 .14 .10 .05
V42 .25 .42 .25 .23 .24 .19
V45 .35 .36 .22 .21 .15 .17
V46 .38 .18 .29 .002 -.11 * .13 *
V47 .31 .36 .21 .10 -.02 .04
V31 V32 V33 V37 V39 V40
V1
V2
V3
V4
V6
V8
V11
V12
V13
V14
V17
V18
V23
V24
V25
V27
V28
V29
V31 1
V32 .48 1
V33 .43 .44 1
V37 .59 .50 .51 1
V39 .11 .16 .07 .15 1
V40 .16 .19 .10 .18 .53 1
V41 .30 .21 .20 .25 .21 .29
V42 .27 .38 .25 .29 .28 .34
V45 .38 .38 .46 .45 .11 * .16
V46 .28 .34 .49 .41 .04 .09
V47 .29 .30 .45 .40 .08 .14
V41 V42 V45 V46 V47
V1
V2
V3
V4
V6
V8
V11
V12
V13
V14
V17
V18
V23
V24
V25
V27
V28
V29
V31
V32
V33
V37
V39
V40
V41 1
V42 .28 1
V45 .17 .46 1
V46 .20 .25 .58 1
V47 .106 * .36 .70 .61 1
** Correlation is significant at the 0.01 level (2-tailed).
* Correlation is significant at the 0.05 level (2-tailed).
Table 2
Varimax-rotated Matrix of Perceived Risk Items
Components
Variable Performance Time-demand Social Psychological Source
VAR1 .617
VAR2 .609
VAR3 .552
VAR4 .623
VAR6 .577
VAR8 .780
VAR11 .625
VAR13 .506
VAR14 .660
VAR17 .501
VAR18 .424
VAR23 .553
VAR24 .619
VAR25 .757
VAR27 .817
VAR28 .866
VAR29 .819
VAR31 .736
VAR32 .565
VAR33 .501
VAR37 .726
VAR39 .812
VAR40 .869
VAR41 .448
VAR42 .413
VAR45
VAR46
VAR47
Variable Enrolment intention
VAR1
VAR2
VAR3
VAR4
VAR6
VAR8
VAR11
VAR13
VAR14
VAR17
VAR18
VAR23
VAR24
VAR25
VAR27
VAR28
VAR29
VAR31
VAR32
VAR33
VAR37
VAR39
VAR40
VAR41
VAR42
VAR45 .784
VAR46 .671
VAR47 .858
Table 3
Zero order correlations
Performance Time Social
Risk demand Risk Risk
Performance Risk 1
Time Demand Risk .671 ** 1
Social Risk .308 ** .207 ** 1
Psychological Risk .699 ** .683 ** .463 **
Source Risk .537 ** .459 ** .441 **
Enrollment intention -.534 ** -.535 ** -.281 **
Psychological Source Enrollment
Risk Risk intention
Performance Risk
Time Demand Risk
Social Risk
Psychological Risk 1
Source Risk .562 ** 1
Enrollment intention -.574 ** -.470 ** 1
** Correlation is significant at the 0.01 level (2-tailed).
Table 4 Multiple regression analysis results
Independent variables Beta coefficients t Sig.
Performance Risk .140 2.225 .027
Time Demand Risk .197 3.215 .001
Social Risk .013 .260 .795
Psychological Risk .245 3.562 .001
Source Risk .161 3.047 .002
Dependent Variable: Enrollment intention
Table 5 Perceived Risk Variation according to some Demographic
Variables
Source Dependent Variables Mean Square F Sig.
Sex Performance Risk 1.887 3.844 0.04
Time Demand Risk 1.07 2.49 0.116
Social Risk 0.159 0.335 0.563
Psychological Risk 0.582 0.76 0.384
Source Risk 1.026 2.418 0.121
Age Performance Risk 0.916 2.199 0.001
Time Demand Risk 0.493 1.171 0.253
Social Risk 0.611 1.371 0.099
Psychological Risk 1.5 2.411 0.001
Source Risk 0.752 2.062 0.001
Graduate And Performance Risk 2.28 4.661 0.032
undergraduate Time Demand Risk 0.035 0.08 0.777
Social Risk 0.871 1.853 0.175
Psychological Risk 5.17 6.957 0.009
Source Risk 0.979 2.305 0.013
Employed or not Performance Risk 0.390 0.774 0.380
Time Demand Risk 1.919 4.023 0.046
Social Risk 1.161 2.343 0.127
Psychological Risk 2.795 3.798 0.050
Source Risk 0.390 0.774 0.380
Years Performance Risk 0.602 1.265 0.162
How many years they Time Demand Risk 0.561 1.381 0.09
have been working Social Risk 0.506 1.088 0.351
Psychological Risk 1.162 1.703 0.013
Source Risk 4.980 4.153 0.042
Hours Performance Risk 0.46 0.91 0.623
How many hours Time Demand Risk 0.431 0.996 0.484
a week? Social Risk 0.407 0.837 0.736
Psychological Risk 1 1.404 0.045
Source Risk 0.377 0.861 0.701
OE Experience Performance Risk 1.458 2.956 0.087
Time Demand Risk 0.25 0.577 0.448
Social Risk 0.101 0.213 0.645
Psychological Risk 0.088 0.115 0.735
Source Risk 1.986 4.731 0.031