A procedure used to average several Mantel-Haenszel delta difference values for an item is described and evaluated. The differential item functioning (DIF) procedure used by the Educational Testing Service (ETS) is based on the Mantel-Haenszel statistical technique for studying matched groups. It is standard procedure at ETS to analyze test items…

Increasing emphasis is being given to the construct of course structure in educational research. The Course Structure Inventory (CSI) was designed to measure this construct as a unitary dimension made up of student attitudes toward varying degrees and kinds of structure (ACS). In addition to measuring ACS, the CSI has the added advantage of…

Factor analysis is the traditional method for studying the dimensionality of test data. However, under common conditions, the factor analysis of tetrachoric correlations does not recover the underlying structure of dichotomous data. The purpose of this paper is to demonstrate that the factor analyses of tetrachoric correlations is unlikely to…

A readability formula for elementary Spanish instructional materials was developed by building on previous research, particularly in regard to the application of the Fry readability graph to Spanish language materials. The study began with the selection of average sentence length and number of syllables per 100 words as independent variables.…

One of a series dealing with current issues affecting language arts instruction, this paper focuses on the conceptions and misconceptions of readability. The paper begins by noting that over the years, researchers in readability have had two major goals: to determine what makes written materials easy or difficult to read and comprehend, and to…

The purpose of this investigation was to identify item factors that may contribute to differential item functioning (DIF) for black examinees on Scholastic Aptitude Test (SAT) analogy items. Initially, items were classified according to several possible explanatory factors. Preliminary analyses identified several factors that seemed to affect DIF…

How accurately deltas (statistics measuring the difficulty of items) established by pre-test populations reflect deltas obtained from final form populations, and the consequent utility of pre-test deltas for constructing final (operational test) forms to meet developed statistical specifications were studied. Data were examined from five subject…

This report examines the most recent middle school data from the National Assessment of Educational Progress (NAEP) to investigate how selected dimensions of instructional practice are related to higher-order learning of middle-grade students. In particular, the paper: (1) outlines the theoretical basis for prescribing middle level instructional…

The strategic interaction method is based on the principle that dramatic tension is the essential ingredient in second language learning, but unlike the drama built on audience spectatorship, classroom drama builds within each student involved in the interaction. Students take scenarios, thematically cohesive events, and create their own dialog as…

The third section of this two-volume report examines the utility of the model developed in section I for application in a classroom testing situation. The model was applied in arithmetic classes through a weekly testing program. The teacher specified the generic task being taught, tests were constructed using a table of random numbers to select…

In studies examining the influence of recall on judgments, social psychologists have generally concentrated on the content of recalled material rather than on the process of recall. To investigate the impact of recalled behaviors (content) and the ease with which these behaviors came to mind (process) on assessment of one's own assertiveness, 158…

A study investigated the thinking processes of 14 Anglophone students of French performing challenging reading and summarizing tasks in their first and second languages. Individuals proved to use equivalent higher-order problem-solving strategies while writing and reading in both languages. Strategies varied with the individuals' levels of…

The difficulties that younger students experience in understanding concepts related to the use of variables in computer programming are examined through descriptions of two studies: (1) detailed case studies of six highly intelligent children--three fourth graders and three sixth graders--who learned to program in BASIC during 60 hours of…

This bibliography provides citations to studies of word/letter frequencies and vocabulary applications based on issues of word frequency. While the original intent was to gather information pertinent to developing communication board vocabularies for argumentative communication systems, these resources should be useful for a variety of word…

A strategy for overcoming problems with the Rasch model's inability to handle missing data involves a pairwise algorithm which manipulates the data matrix to separate out the information needed for the estimation of item difficulty parameters in a test. The method of estimation compares two or three items at a time, separating out the ability…