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Direct linkWarne, Russell T.; Godwin, Lindsey R.; Smith, Kyle V. – Journal of Advanced Academics, 2013
Among some gifted education researchers, advocates, and practitioners, it is sometimes believed that there is a larger number of gifted people in the general population than would be predicted from a normal distribution (e.g., Gallagher, 2008; N. M. Robinson, Zigler, & Gallagher, 2000; Silverman, 1995, 2009), a belief that we termed the…
Descriptors: Gifted, Hypothesis Testing, Intelligence Quotient, Statistical Distributions
Peer reviewedSheckart, George R.; Bass, Barry A. – Journal of Clinical Psychology, 1976
It appears that contingent reinforcement may have an effect upon the intelligence test performance of black adults as evidenced by the consistent trend of the IQ scores in the direction of the proposed hypothesis. However, the primary analysis of the data revealed no statistically significant differences among treatment groups. (Author)
Descriptors: Adults, Diagrams, Educational Testing, Hypothesis Testing
Download full textTinsley, Howard E. A.; Dawis, Rene V. – 1972
This research investigated the use of the Rasch simple logistic model in item and test calibration. Tests employing word, picture, symbol, and number analogies were administered to college students, high school students, civil service clerical employees, and clients of the Minnesota Division of Vocational Rehabilitation. The results suggest that…
Descriptors: College Students, Comparative Analysis, Goodness of Fit, Government Employees
