NotesFAQContact Us
Collection
Advanced
Search Tips
Showing all 3 results Save | Export
Peer reviewed Peer reviewed
Direct linkDirect link
Watchorn, Rebecca P. D.; Bisanz, Jeffrey; Fast, Lisa; LeFevre, Jo-Anne; Skwarchuk, Sheri-Lynn; Smith-Chant, Brenda L. – Journal of Cognition and Development, 2014
The principle of "inversion," that a + b - b "must" equal a, is a fundamental property of arithmetic, but many children fail to apply it in symbolic contexts through 10 years of age. We explore three hypotheses relating to the use of inversion that stem from a model proposed by Siegler and Araya (2005). Hypothesis 1 is that…
Descriptors: Mathematics Skills, Skill Development, Computation, Attention Control
Jamgochian, Elisa; Park, Bitnara Jasmine; Nese, Joseph F. T.; Lai, Cheng-Fei; Saez, Leilani; Anderson, Daniel; Alonzo, Julie; Tindal, Gerald – Behavioral Research and Teaching, 2010
In this technical report, we provide reliability and validity evidence for the easyCBM[R] Reading measures for grade 2 (word and passage reading fluency and multiple choice reading comprehension). Evidence for reliability includes internal consistency and item invariance. Evidence for validity includes concurrent, predictive, and construct…
Descriptors: Grade 2, Reading Comprehension, Testing Programs, Reading Fluency
Sprague, Jeffrey; Pennefather, Jordan; Marquez, Jessie; Yeaton, Pamela; Marquez, Brion – Society for Research on Educational Effectiveness, 2011
This session will describe the social validity, usability and intent to use of an interactive, state-of-the-art, professional development program based on the Response to Intervention (RtI) approach and its core components (e.g., problem-solving strategy; three tiers of intervention service delivery with universal, selected and intensive…
Descriptors: Validity, Elementary School Teachers, Intention, Usability