aim and background: this study seeks the effect of teaching problem solving on self-efficacy and perceived self-efficacy in adolescents.   methods and materials: in this quasi-experimental study using three group with pre-test and post-test, on hundred sixty students were randomly selected via multi-stage sampling, and were divided into 64 students of experimental group and 62 students of place...

teacher autonomy is viewed very differently: one teacher may view autonomy as a means to gain substantial freedom from interference or supervision; another may view it as the freedom to develop collegial relationships and accomplish tasks that extend beyond the classroom; and even some others may perceive it as a means for principals to avoid their duties (frase and sorenson, 1992). although th...

objectives: this study aimed to investigate the level of problem-solving skills in 1-4 year-old children with early treated phenylketonuria (etpku). methods:this analytic, cross-sectional study was conducted on 70 1-4 year-old children referred to phenylketonuria (pku) clinics that had been diagnosed on screening at birth and had been treated. the measurements were a demographic questionnaire, ...

A likely feature of the Internet classroom is automated assessment of student exercises. In this paper, we describe the design and implementation of the Grade Grinder, an Internet-based assessment service developed for use with logic-teaching courseware. We discuss the utility of this platform both as a pedagogical resource, and as a provider of data for research on student problem-solving. We ...