this study aimed at comparing the effect of self-controlled feedback with 100% frequency on motor skill learning in children. 60 children (11.1±0.86 yr) were selected randomly and based on their pretest results divided into same three groups of 100% feedback, self-controlled and yoked. in the acquisition phase, subjects completed 120 trials. at the end of the second day, subjects performed a 10...

objective: tooth surface undergoes continuous remineralization and demineralization. the aim of this study was to compare the effect of caseinphosphopeptide-amorphous calcium phosphate (cpp-acp) paste and fluoride gel on the microhardness of demineralized enamel lesions.   methods: frothy eight specimens of premolar teeth were chosen and randomly divided to 4 groups of 12. after the initial mea...

objective: the present study aimed to compare the effectiveness of metacognitive therapy (mct) and cognitive-behavior therapy (cbt) in treating iranian patients with major depressive disorder (mdd). methods: thirty three outpatients meeting dsm-iv-tr criteria for mdd without any other axis i and ii disorders were randomly assigned to one of three treatment conditions, i.e. mct, cbt and pharmaco...

Repeated measures correlation (rmcorr) is a statistical technique for determining the common within-individual association for paired measures assessed on two or more occasions for multiple individuals. Simple regression/correlation is often applied to non-independent observations or aggregated data; this may produce biased, specious results due to violation of independence and/or differing pat...

the present study aimed to examine the effect of contextual interference on acquisition, retention and transfer of coincidence anticipation task with constant, increasing and decreasing speeds. 36 male physical education participants from shahid beheshti university were voluntarily selected and randomly divided into three groups (12 subjects each group) and performed coincidence timing tasks wi...