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Peer reviewedOttenbacher, Kenneth J. – Journal of Special Education, 1990
The agreement between visual analysis and the results of the split-middle method of trend estimation was examined using a set of 24 stimulus graphs and 30 raters. Results revealed poor agreement between the two methods, and low sensitivity, specificity, and predictive ability for visual analysis in relation to statistical inferences. (JDD)
Descriptors: Elementary Secondary Education, Estimation (Mathematics), Evaluation Methods, Graphs
Teichner, Warren H.; Krebs, Marjorie J. – 1970
This review is one in a series intended to develop methods which maximize the use of the existing scientific literature as a basis for predicting human performance. It is concerned with sensory performance in target detection, defined in terms of the "probability of detection" of a flash of light. Two conditions of detection are…
Descriptors: Lighting, Literature Reviews, Performance Factors, Performance Tests
