摘要：This paper reviewing the pedagogical approaches toward ESL/EFL writing assessment and taking into consideration the advantages of portfolio assessment over the other assessment tools, tries to explore into the scope of simultaneous instruction and assessment. It highlights the significance of taking assessment into the classroom by describing the different aspects of portfolios that enable them to be used as the means of instruction. Finally, it introduces Six-Trait Analytic Model of writing instruction and assessment that using portfolios can be efficiently targeted towards quick and great development in the writing skills of ESL/EFL learners.
