The motivation for this paper is the authors' recent work on several randomized control trials in which they found the primary result, which averaged across subgroups or sites, to be moderated by demographic or site characteristics. They are led to examine a distinction that the Institute of Education Sciences (IES) makes between "confirmatory"…

In two experiments, we examined fourth and fifth graders' comprehension of the source of information in texts presenting controversial issues. In Experiment 1, participants read short texts in which two people presented different arguments regarding an issue. Participants identified who said what and evaluated each source's knowledge of the issue.…

Science teaching deals with abstract concepts and processes that very often cannot be seen or touched. The development of Java, Flash, and other web-based applications allow teachers and educators to present complex animations that attractively illustrate scientific phenomena. Our study evaluated the integration of web-based animated movies into…

The Go Wild with Fruits and Veggies! curriculum incorporates wild animal characters to motivate 3rd-5th grade children to increase fruit and vegetable intake and physical activity. Positive findings from a rural setting regarding a self-reported increase in intake of vegetables (n = 1,285) were verified by more intensive evaluation of vegetable…

Improving reading rate can be difficult for poor readers. In this experiment, we investigated the impact of improvement in reading rate on other aspects of reading, including word recognition, decoding, vocabulary, and comprehension. Poor readers in Grades 2 or 4 (N = 123) were randomly assigned to 1 of 3 conditions: practice reading text at their…

To investigate whether games may serve as useful formative assessment environments, this study examined, experimentally, the effects of two aspects of formative assessment on math achievement, game play, and help-seeking behaviors: (a) making assessment criteria explicit through the explanation of scoring rules and (b) incentivizing the use of…

The aim of this research is to reveal teaching activities which are designed according to the Multiple Intelligence Theory to have effects on the student's success in mathematics and on the permanence of the knowledge learned. This research has been carried out with the fourth graders at Gazi University Foundation Private Primary school. Among all…

The 4Rs Program (Reading, Writing, Respect and Resolution) is a "dual focus" whole school universal intervention designed to promote literacy development and social-emotional learning, that is currently being rigorously evaluated using a school-randomized trial of 18 elementary schools (9 intervention, 9 control) in New York City. The…

In this article I critique six quantitative studies of Reading Recovery and five reviews of Reading Recovery research published in Tier 1 research journals--journals accepted as having high levels of "expert scrutiny" through peer review. I also critique several quantitative research studies of Reading Recovery published in Tier 2…