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Dodonov, Yury S.; Dodonova, Yulia A. – Intelligence, 2012
In the present study, speeded tasks with differing assumed difficulties of the trials are regarded as a special class of simple cognitive tasks. Exploratory latent growth modeling with data-driven shape of a growth curve and nonlinear structured latent curve modeling with predetermined monotonically increasing functions were used to analyze…
Descriptors: Intelligence, Intervals, Reaction Time, Cognitive Ability
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Boswell, M. Alison; Knight, Victoria; Spriggs, Amy D. – Rural Special Education Quarterly, 2013
This investigation used an ABAB withdrawal design to determine the effect of self-monitoring using the MotivAider® (MotivAider, 2000) on percentage of intervals of on-task behavior by an 11-year old male with a moderate intellectual disability who attended a rural middle school. The MotivAider® is a small device, the size of a pager, which can be…
Descriptors: Middle School Students, Moderate Intellectual Disability, Task Analysis, Self Management
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Jordan, Julie-Ann; Mulhern, Gerry; Wylie, Judith – Journal of Experimental Child Psychology, 2009
The arithmetical performance of typically achieving 5- to 7-year-olds (N=29) was measured at four 6-month intervals. The same seven tasks were used at each time point: exact calculation, story problems, approximate arithmetic, place value, calculation principles, forced retrieval, and written problems. Although group analysis showed mostly linear…
Descriptors: Intervals, Individual Differences, Number Concepts, Computation