WebQuests are designed to ensure meaningful learning by combining technology with a constructivist approach in the classroom setting. This study aims to examine the effect of WebQuests used in instruction on students' academic achievements and the student and teacher opinions on WebQuests. The participants of this study using the…

Randomized controlled trials (RCTs) are considered the "gold standard" for evaluating an intervention's effectiveness. Recently, the federal government has placed increased emphasis on the use of opportunistic experiments. A key criterion for conducting opportunistic experiments, however, is that there is relatively easy access to data…

This "What Works Clearinghouse Procedures and Standards Handbook (Version 3.0)" provides a detailed description of the standards and procedures of the What Works Clearinghouse (WWC). The remaining chapters of this Handbook are organized to take the reader through the basic steps that the WWC uses to develop a review protocol, identify…

Most analyses of reaction time (RT) data are conducted by using the statistical techniques with which psychologists are most familiar, such as analysis of variance on the sample mean. Unfortunately, these methods are usually inappropriate for RT data, because they have little power to detect genuine differences in RT between conditions. In…

THIS STUDY INVESTIGATED THE USE OF AUDIOVISUAL STIMULUS MATERIALS TO CREATE POSITIVE CHANGES IN THE SCHOOL-RELATED ATTITUDES OF 128 NEGRO AND 88 NON-NEGRO DISADVANTAGED JUNIOR HIGH SCHOOL BOYS. EACH SUBJECT WAS INDIVIDUALLY SHOWN FOUR EXPERIMENTAL SLIDES WHICH WERE ACCOMPANIED BY INTERVIEWS WITH SIMILARLY DISADVANTAGED NEGRO YOUTHS AND A YOUNG…