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Peer reviewedBronson, Gordon W. – Journal of Experimental Child Psychology, 1990
Concludes that constant errors of several degrees of visual angle may result if group-mean parameter values are used instead of individually determined parameter values. Because infants are relatively inaccurate in directing fixations toward a selected target, repeated calibration trials are required for collection of sufficient data on individual…
Descriptors: Error of Measurement, Infants, Research Methodology, Research Problems
Peer reviewedFurlong, Michael J.; Wampold, Bruce E. – Psychology in the Schools, 1981
To guide the unbiased process of visual inference, a four-step model is presented for the assessment of reliability, intervention effect, meaningfulness, and generalizability. A Visual Inference Checklist (VIC) systematizes this assessment process. (Author)
Descriptors: Bias, Data Analysis, Evaluation Methods, Identification
Peer reviewedBors, Douglas A.; And Others – Intelligence, 1993
Previous studies have suggested that correlations between reaction time (RT) and intelligence (IQ) may have resulted from confounding interactions between stimulus uncertainty and visual angle. Three experiments that were designed to remove the confound were carried out with 118 college students. These experiments indicate that previously reported…
Descriptors: College Students, Correlation, Higher Education, Intelligence Quotient
