This article reports a quasi-experimental study of how error labeling in remediation exercises affects students' writing performance. Students in five sections of a course in written business communication composed the control group, whereas students in two sections composed the treatment group. On the first letter each group wrote early in the…

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…

An analytical procedure that uses fall kindergarten assessment data to retroactively create equivalent comparison groups for longitudinal research and evaluation studies was designed and tested, and then analytically and empirically compared with random assignment to treatment. Students entering kindergarten in Hawaii are administered the Peabody…

A meta-analysis was conducted on 44 educational studies that used either a (labelled) Hawthorne control group, a manipulation of Hawthorne effects, or a group designed to control for the Hawthorne effect. The sample included published journal articles, ERIC documents or unpublished papers, and dissertations. The studies were coded on 20 variables,…

A solution is proposed for analysis of variance procedures with missing cells, such as may occur when a control group is not assigned to any of the rows or columns of the various experimental groups. Mathematical models for two-way design are presented which define several variables; as well as row effect, column effect, and row and column…

THE PURPOSE OF THIS STUDY WAS TO COMPARE TWO TEACHING METHODS FOR DEVELOPING PRODUCTION TYPEWRITING ABILITY. THE TRADITIONAL, SPEED-EMPHASIS METHOD AND THE EXPERIMENTAL, PRODUCTION-EMPHASIS METHOD, WERE USED DURING 50-MINUTE PERIODS FOR 61 SESSIONS EACH SEMESTER WITH STUDENTS ENROLLED IN INTERMEDIATE TYPEWRITING AT INDIANA UNIVERSITY DURING…

A meta-analysis of 29 separate studies investigating pretest effects was conducted. Outcomes of the studies (achievement gains or attitude improvements) were computed as standardized differences between pretested and non-pretested groups. Eleven other variables were coded for each outcome. Initial descriptive statistics were indicative of…

Group structure is one of the important mediators between individual input and group output. The present study examines the effect of group structure on the following dependent variables: (1) change in the group member's evaluation of items evaluated before group interaction, (2) change in his subjective evaluation model as a consequence of group…

A riveting operation was presented to 90 Grade 7 industrial arts students through the use of a slide-tape program to compare the amount of transfer from three learning tasks to a transfer task and to ascertain the effect of different amounts of practice on transfer. The students were randomly selected and alternately placed into nine groups. The…

This study was undertaken to compare the effectiveness of two basic approaches to the training of auditory discrimination and to assess the effect of training upon language functioning and acquisition. Subjects were 42 culturally deprived Negro preschoolers. A receptive training group, an expressive training group, and a control group were used.…

A program was devised and presented to four classes of college freshmen who demonstrated a need for remedial English instruction. An experiment to ascertain relative merit of programmed and conventional classroom presentation was conducted. The program was divided into phonetic spelling, basic word usage, effective sentence construction, and basic…

This study attempts to determine whether families with a son rated by his teacher as either "high" or "low" on classroom adjustment (behavior indicative of social maturity and achievement motivation) could be differentiated on the basis of their communicative patterns. It was questioned if significant differences existed in the amount of positive…

This is one of a series of eight short monographs intended to aid practicing educators in planning and conducting accountability programs in schools. This booklet discusses how to develop an experimental design appropriate to the objectives of a particular research or evaluation effort. Short sections focus in turn on the characteristics of a good…

Univariate and multivariate assessment of general achievement/aptitude indicated general achievement/aptitude is significantly delineated: by race and GPA for the population, nonexperimental freshmen, and experimental and/or control freshmen; by financial aid and attrition/persistence for the population and nonexperimental freshmen; and by…