1.Survival and Risk Analysis in MOOCS The most significant disadvantage in the use of MOOCs is their high drop out rates, which reaches between 88.3% and 90%. This research examined the desertion from 15 MOOCs, the following factors and their relation to desertion were assessed, characteristics of the students (gender, language, educational level, age, interest in the final certificate) and aspects of the courses (data lost at the time of registration, duration of the MOOC, course discipline, number of total questions and by evaluation). The results, based on survival analysis, indicate the probability of desertion is the highest on the first and last weeks of the MOOC. Our findings show that the probability of dropout is affected by the number of questions in each evaluation, the educational level of the participants, their age and their interest in the certificate. Missing data in the registration form was found to be associated with desertion being a significant pre-dictor of risk of quitting. Finally, the lack of interest in the certificate was found to be a predictor of the highest risk of dropping out. Possible strategies to reduce the desertion behavior at MOOCs are discussed. Keywords: MOOC, desertion, survival analysis, risk analysis. DOI : 10.17718/tojde.640561 [HTML] [PDF]

作　　者：Manuel Medina LABRADOR ;Gustavo R. Garcia VARGAS ;Jorge ALVARADO 等

出　　处：Turkish Online Journal of Distance Education. 2019 ;20(4):149-159.

出版社：Turkish Online Journal of Distance Education

文章 ID：243739206

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2.A transcriptome and proteome of the tick Rhipicephalus microplus shaped by the genetic composition of its hosts and developmental stage

作　　者：Gustavo R. Garcia ;José Marcos Chaves Ribeiro ;Sandra Regina Maruyama 等

出　　处：Scientific Reports. 2020 ;10(1).doi:10.1038/s41598-020-69793-3

出版社：Springer Nature

文章 ID：255836080

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	Beatriz R. Ferreira	1篇
	Gustavo R. Garcia	1篇
	Gustavo R. Garcia VARGAS	1篇
	Isabel K. Ferreira de Miranda Santos	1篇
	Jorge ALVARADO	1篇

	José Marcos Chaves Ribeiro	1篇
	Kristina Nelson	1篇
	Luiz Gustavo Gardinassi	1篇
	Manuel Medina LABRADOR	1篇
	Mario CAICEDO	1篇
	Sandra Regina Maruyama	1篇
	Thales Galdino Andrade	1篇

	教育	1篇
	自然科学总论	1篇

	土耳其	1篇
	英国	1篇

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	Scientific Reports	1篇
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