This study investigated the collaborative genre-based effectiveness among the pre-service
English teachers (PSETs). Data collection used the genre-based writing feedback
observation upon its reflection and instruction and need analysis questionnaire. The data
analysis used multivariate statistics method to generalize the writing tests. The findings show
that the PSETs' feedback supported the interaction, accountability, and interdependence.
These aspects are due to the collaborative participation in groups, in which the PSETs work …