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Temel, Gülhan Orekici; Erdogan, Semra; Selvi, Hüseyin; Kaya, Irem Ersöz – Educational Sciences: Theory and Practice, 2016
Studies based on longitudinal data focus on the change and development of the situation being investigated and allow for examining cases regarding education, individual development, cultural change, and socioeconomic improvement in time. However, as these studies require taking repeated measures in different time periods, they may include various…
Descriptors: Investigations, Sample Size, Longitudinal Studies, Interrater Reliability
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Lindell, Michael K.; Brandt, Christina J.; Whitney, David J. – Applied Psychological Measurement, 1999
Proposes a revised index of interrater agreement for multi-item ratings of a single target. This index is an inverse linear function of the ratio of the average obtained variance to the variance of the uniformly distributed random error. Discusses the importance of sample size for the index. (SLD)
Descriptors: Error of Measurement, Interrater Reliability, Sample Size
Cason, Gerald J.; Cason, Carolyn L. – 1989
The use of three remedies for errors in the measurement of ability that arise from differences in rater stringency is discussed. Models contrasted are: (1) Conventional; (2) Handicap; and (3) deterministic Rater Response Theory (RRT). General model requirements, power, bias of measures, computing cost, and complexity are contrasted. Contrasts are…
Descriptors: Ability, Achievement Rating, Error of Measurement, Evaluation Methods
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Brennan, Robert L.; And Others – Educational and Psychological Measurement, 1995
Generalizability theory is used to examine the psychometric characteristics of the Listening and Writing Tests developed by American College Testing for its Work Keys program. Results with samples of 50 suggest the desirability of a minimum number of the tests' tape-recorded messages and the use of at least 2 raters. (SLD)
Descriptors: Audiotape Recordings, Error of Measurement, Generalizability Theory, Interaction