Constructing Measures of Intelligence

Constructing Measures of Intelligence - Constructing...

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Constructing Measures of Intelligence Psychometricians – considers a number of factors in developing a test o Guided by theory of intelligence o Development of test norms o Standardization of testing administration, instructions, etc. o Ascertaining validity and reliability Reliability – consistent over time or administrations Validity – measure what it is supposed to measure? Predictive validity – ability to predict performance Stability of Measured intelligence Longitudinal studies indicate both stability and change Predictive value of infant testing Studies of info-processing abilities show consistency: attentional capacity at 7 mo moderately correlated with intellectual functioning at 3-5 years o Caution: individual differences could cause different behavior on part of the parents = different environment o IQ tests fairly reliable of later IQ test r=.7 o Evidence of considerable variability o High IQ children show more change than low IQ children o Experiential factors can cause disruptions in cognitive
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Constructing Measures of Intelligence - Constructing...

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