This study investigated the effect of Further Mathematics on students' achievement in mathematics, biology, chemistry and physics in Ogun State, Nigeria. Two Local Government Areas (LGAs) were judgmentally selected from the state. Ten secondary schools were also purposively selected from the two LGAs (Five schools from each LGA). At least twenty…

The Randomized Control Trials (RCT) design and its quasi-experimental kissing cousin, the Comparison Group Trials (CGT), are golden to some and not even silver to others. At the center of the affection, at the vortex of the discomfort, are beliefs about what it takes to establish causality. These designs are considered primarily when the purpose…

The purpose of this research was to evaluate a parent intervention programme, open to parents of children in Year 7, aimed at assisting parents to help their children achieve their full potential. The benefit for parents themselves was also examined. Unlike many existing evaluations of parent intervention programmes, it drew upon statistically…

Preservice elementary teachers have been shown to generally possess poor mathematical knowledge (e.g. Goulding, Rowland, & Barber, 2002) and also strong negative attitudes toward mathematics (e.g. MacNab & Payne, 2004). Recently, national organizations have proposed interventions to address these issues (Conference Board of the…

The effectiveness of group sandtray therapy, a model of play therapy, was evaluated using a pretest-posttest control group design with 56 preadolescents exhibiting behavioral difficulties. The experimental group (n = 28) received sandtray therapy in small groups for 10 weeks while the wait-list control group (n = 28) received no treatment. Results…

The present study aims to investigate the effectiveness of scaffolding interactive activities in developing the English listening comprehension skills of sixth grade elementary schoolgirls in Jeddah. The subjects in this study were 50 sixth grade pupils at an elementary school in Jeddah. They were assigned to two groups--control and…

The purpose of this study was to compare two non-parametric procedures, the Mantel-Haenszel (MH) procedure and the simultaneous item bias (SIB) procedure, with respect to their Type I error rates and power, and to investigate the conditions under which asymptotic distributional properties of the SIB and MH were obtained. Data were simulated to…

This protocol study: (1) tested the instructional use of a model of the decision processes involved in revising after feedback; (2) examined whether feedback specifying a text problem was a stronger cue to revision than feedback summarizing the point of a paragraph or predicting forthcoming text; and (3) compared the quality of texts revised after…

The pretest-posttest design referred to as Design 2 by Campbell and Stanley (1963) is commonly used in educational research and evaluation. The tenability of the assumption of a zero population difference commonly used with this design is questioned. A nonzero population estimate based on the mean difference observed in test-retest reliability…

Student team techniques, involving two conceptually distinct components--a cooperative reward structure, in which students are evaluated and rewarded based on the performance of the group as a whole, and a cooperative task structure, in which students are encouraged to peer tutor--have had positive effects compared to control methods on academic…

A study was conducted of experimental mortality (subjects' drop-out) in counter-attitudinal advocacy research, a line of research that explores the extent to which people can be induced to persuade themselves to a new attitude. Subjects were 54 volunteers from undergraduate speech classes. The study involved three stages: a pretest for attitude,…

THE PROJECT SOUGHT TO ESTABLISH VOCATIONAL ASSESSMENT PROCEDURES, PROVIDE A WORK CONDITIONING PROGRAM TO INCREASE WORK POTENTIAL, AND PROVIDE AFTERCARE SERVICE AND FOLLOWUP. THE MAJOR HYPOTHESIS WAS THAT PATIENTS GIVEN A PROGRAM OF WORK CONDITIONING WERE MORE LIKELY TO BE PLACED IN WORK SITUATIONS IN THE COMMUNITY AND TO REMAIN LONGER OUTSIDE THE…

A study was made to see if an educational program on the safe and proper use of pesticides would increase the opinion leadership activities of pesticide dealers and the amount of quality of information they conveyed to their customers and other dealers. The dealers selected came from eight rural counties and two urban communities in Nebraska; they…

Following specialized training in which naval dental assistants were taught to insert restorations in cavities prepared by dental officers, clinical tests were applied to determine how much more a dental officer can accomplish when he delegates certain procedures to specially trained assistants, to evaluate the quality of the restorations, and to…

A sample of 96 ninth-grade vocational agriculture students in 21 Illinois high schools participated in a study of the relationship between socioeconomic status and reading comprehension. An instructional unit was tested for reading level and rewritten at an easier level. Students were classified by socioeconomic class and randomly assigned to…