In this study, the researcher used the many-facet Rasch measurement model (MFRM) to detect two pervasive rater errors among peer-assessors rating EFL essays. The researcher also compared the ratings of peer-assessors to those of teacher assessors to gain a clearer understanding of the ratings of peer-assessors. To that end, the researcher used a fully crossed design in which all peer-assessors ...

To capitalise on the benefits of group work and at the same time alleviate the potential negative effect of benefiting from collective effort without contributing equally (also referred to as free-riding) and internal conflict, this project was conducted for the following purposes: design an approach to peer assessment of individual contributions to group work, evaluate student perceptions on t...

Secure and efficient communication among a set of mobile nodes is one of the most important aspect in P2P wireless networks. Security of various group-oriented applications requires a group secret shared between all participants. Several group key protocols have been presented in the literature to enable secrecy of communication among dynamic group of participants. However, most of them suffer ...

P2P worms pose a serious threat to Internet infrastructure and terminal users because of their overwhelming propagation speed. Manual reactions fall behind the fast propagation of P2P worms. Current automatic techniques are still not adequate to be deployed on a large scale for several challenges including low accuracy, low efficiency, etc. In this paper, we bring forward a repair-andpatch appr...

The teen court concept has gained popularity in recent years as juvenile courts have had to deal with increased numbers of serious, violent, and chronic juvenile offenders. Its acceptance has been fueled, in part, by positive anecdotal reports from those involved with this peer-centered approach. This Bulletin examines several teen court evaluations, but cautions that we lack the empirical data...

The present study aimed at investigating the effect of peer and teacher scaffolding through a process approach in a technology-enhanced environment on vocabulary learning among high and low self-regulated learners. Participants of the study were 120 English as a Foreign Language (EFL) learners who were selected based on their scores on a sample copy of the Oxford Placement Test (OPT). T...

Abstract Purpose: Peer-support groups for stroke survivors are often organized and facilitated by health authorities disability related organizations within rehabilitation programs. However, the benefits of peer-led, peer-support have not yet been evaluated. The purpose this study was to explore participants’ experiences in a community-based, group survivors. Materials Methods: Semi-structured ...