Described and listed herein with concomitant sample input and output is the Fortran IV program which estimates parameters and standard errors of estimate per parameters for parameters estimated through multiple matrix sampling. The specific program is an improved and expanded version of an earlier version. (Author/BJG)

This paper focuses on a study which replicates and extends earlier work employing a recognition memory paradigm to investigate children's memory and developmental changes in dominant word associations. On the recognition test the implicit associative response can lead to better memory for the original items (this is the hit rate), and it can also…

The study of computational errors among sixth grade students included identification and classification of errors, investigation of the effects of two feedback treatments and of classwork and homework on error patterns, and investigation of the relationships of error patterns with intelligence, mathematics achievement, attitudes toward…

This paper analyzes a typical school spelling task in terms of an information processing model of spelling performance. Based on principles embodied in a computer simulation program previously reported (SPEL by Simon and Simon) the model proposed here has been expanded to try to account for many more kinds of student error than were possible with…

Discussed in this paper are reasons why people who speak second languages may not speak or write them with native-speaker-like fluency. These second-language deficiencies may be the results of (1) interference, the use of aspects of another language at a variety of levels; (2) strategies of learning such as over overgeneralization and analogy by…

Forty normal children aged 3 and-one-half to 5 and-one-half were tested on the pronunciation of initial /-1/, /-r/, and /s-/ clusters in 120 words, occurring 36, 48, and 42 times, respectively; other phonemes in the cluster occurred from 6 to 18 times. Articulation errors of individual subjects were examined for evidence of (1) degree and type of…

The findings of an experiment are reported in which 28 students taking a graduate level course in techniques of programed instruction were randomly assigned to either cathode ray tube (CRT) or teletype terminals. Results from the analysis of the final concept test data revealed that students performed equally well regardless of terminal device.…

In deciding what grammar should be taught, teachers of English as a second language can notice and record common errors (goofs) made by their students. It is possible to expose all types of goofs, state the rules to correct them, acquaint the teacher with the types of goofs made by persons from all over the world, and give them the grammar…

The present study examines the relationship between alternation behavior and performance, and in addition, the effects of reinforcement configuration and relevant dimension upon the use of alternation strategies in probability learning. Also investigated is the hypothesis that children's errors at terminal levels of performance in a two-choice…

Campbell (l969) argued for the interrupted time-series experiment as a useful methodology for testing intervention effects in the social sciences. The validity of the statistical hypothesis testing of time-series, is, however, dependent upon the proper identification of the underlying stochastic nature of the data. Several types of model…

This paper presents a framework for conceptualizing the different ways in which instructions in experimental tasks may be misunderstood. Five possible types of misunderstandings are identified and discussed: (1) misunderstanding of a particular term in the instructions; (2) misinterpretation of a task because the instructions are difficult to…

Explains an error analysis procedure using the computer which requires no previous student experience with the computer. (CP)

Distortion and selective disclosure limit data that are available to program evaluators, producing a bias that tends to maintain the status quo. Paradoxically, attempts to objectify the data only increase the potential for distortion. Ironically, one way to encourage innovation may be to not measure it. Additional solutions are suggested.…

Data from the national evaluation of Project Follow Through were analyzed using analysis of covariance with and without correcting the pretest for unreliability. Such corrections led to some changes in conclusions. There are many disagreements in the literature about the appropriateness of correction for unreliability. (Author/CTM)

Observer disagreement is important because it limits the reliabilities of observational measures. To avoid this limitation, observers should be trained, and criterion-related and intraobserver agreement measures should be used both before and during a study. Several agreement coefficients are examined for their applicability. (Author/BW)