The purpose of the study was to update previous meta-analytic findings on the effectiveness of using similarities and differences as an instructional strategy. The strategy includes facilitating student comparison, classification, use of analogies, and use of metaphors. Previously, Marzano, Pickering, and Pollock reported a mean effect size of…

The use of early literacy screening measures helps determine which students are at risk for future reading difficulties. However, there has been some recent concern related to the classification validity of screening measures (Hintze, Ryan, & Stoner, 2003; Nelson, 2008). Low classification validity results in the identification of a large number…

The purpose of this study was to examine the effects self-assessment on kindergarten students learning of high frequency words. The sample consisted of 30 randomly selected kindergarten students. The students were then randomly assigned to a control group or experimental group. The experimental group used self-assessment method to learn high…