this study investigates the effect of teacher’s repetition as an input enhancement technique in explicit teaching of vocabulary items on efl learners’ later retrieval. to this end, 66 persian speaking english learners, aged 18 - 29, homogenized through a standard proficiency test (opt), were chosen and put into two experimental and control groups, each 33 learners. general service list (gsl), a...

due to the limiting workspace of parallel manipulator and regarding to finding the trajectory planning of singularity free at workspace is difficult, so finding a best solution that can develop a technique to determine the singularity-free zones in the workspace of parallel manipulators is highly important. in this thesis a simple and new technique are presented to determine the maximal singula...

Objective: The present study aimed at investigating the causal relationship between parenting styles, attachment styles, and self-regulation among drug dependent individuals in Urmia city. Method: In this correlational/ descriptive research, the number of 449 addicts was chosen through multi-stage cluster sampling method from among the addicts who had referred to addiction treatment clinics in ...

this research has done with the aim of analyzing mothers personality types and religious orientation in predicting the parenting style. the studies was descriptive- correlation .  for this research 100 mothers of the teenagers between 15-18 year old boy in Hamedan has been chosen by the method of cluster sampling. mothers has answered the A & B FREDMAN and ROSEMAN's personality type questionnai...

abstract although music possesses some kind of power and using it has been welcome by many students in language classrooms, it seems that they take a non-serious image of the lesson while listening to songs and they may think that it is a matter of fun. the main objective of the present study was to investigate whether learning a foreign language through musical texts (songs) can have an impac...