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Predicting Intervention Effectiveness from Reading Accuracy and Rate Measures through the Instructional Hierarchy: Evidence for a Skill-by-Treatment Interaction
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Szadokierski, 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
Do Differences in IQ Predict Italian North-South Differences in Income? A Methodological Critique to Lynn
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Beraldo, Sergio – Intelligence, 2010
Lynn (2010) suggests that differences in average intelligence explain many of the differences observed across the Italian regions. This paper puts forward a methodological critique to his study, coupling it with an empirical test showing that Lynn's analysis is not sufficiently robust to support its conclusions. (Contains 2 tables.)
Descriptors: Foreign Countries, Research Methodology, Research Problems, Intelligence
IQ Differences between the North and South of Italy: A Reply to Beraldo and Cornoldi, Belacchi, Giofre, Martini, and Tressoldi
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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
The Mean Southern Italian Children IQ Is Not Particularly Low: A Reply to R. Lynn (2010)
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Cornoldi, Cesare; Belacchi, Carmen; Giofre, David; Martini, Angela; Tressoldi, Patrizio – Intelligence, 2010
Working with data from the PISA study (OECD, 2007), Lynn (2010) has argued that individuals from South Italy average an IQ approximately 10 points lower than individuals from North Italy, and has gone on to put forward a series of conclusions on the relationship between average IQ, latitude, average stature, income, etc. The present paper…
Descriptors: Foreign Countries, Intelligence Quotient, Intelligence Differences, Research Methodology
An Index for Determining the Importance of a Region of Significance and Some Applications to Published ATI Research.
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Borich, 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
Who's Counted? Who's Counting? Understanding High School Graduation Rates
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Pinkus, Lyndsay – Alliance for Excellent Education, 2006
Graduation rates are a fundamental indicator of whether or not the nation's public school system is doing what it is intended and funded to do: enroll, engage, and educate youth to be productive members of society. Graduation rates are not just a "bottom line" for schools--they are critical predictors of individual achievement and have undeniable…
Descriptors: Graduation Rate, Educational Indicators, Predictive Measurement, Educational Attainment