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Direct linkSzadokierski, Isadora; Burns, Matthew K.; McComas, Jennifer J. – School Psychology Review, 2017
The current study used the learning hierarchy/instructional hierarchy phases of acquisition and fluency to predict intervention effectiveness based on preintervention reading skills. Preintervention reading accuracy (percentage of words read correctly) and rate (number of words read correctly per minute) were assessed for 49 second- and…
Descriptors: Intervention, Program Effectiveness, Predictive Measurement, Reading Rate
Lynn, Richard – Intelligence, 2010
Beraldo (2010) and Cornoldi, Belacchi, Giofre, Martini, and Tressoldi (2010) (CBGMT) have eight criticisms of my paper (Lynn, 2010) claiming that the large north-south differences in per capita income in Italy are attributable to differences in the average levels of intelligence in the populations. CBGMT give results for seven data sets for IQs in…
Descriptors: Intelligence, Income, Criticism, Foreign Countries
Download full textBorich, Gary D.; And Others – 1975
The homogeneity of group regressions test and regions of significance test are two procedures which are frequently recommended for testing and aptitude-treatment or trait-treatment interaction (ATI) hypothesis. The former is used to determine if treatment group regressions are nonparallel while the latter is used to determine the range of aptitude…
Descriptors: Analysis of Covariance, Aptitude Treatment Interaction, Differences, Hypothesis Testing
