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Direct linkAllor, Jill H.; Mathes, Patricia G.; Roberts, J. Kyle; Cheatham, Jennifer P.; Al Otaiba, Stephanie – Exceptional Children, 2014
This longitudinal randomized-control trial investigated the effectiveness of scientifically based reading instruction for students with IQs ranging from 40 to 80, including students with intellectual disability (ID). Students were randomly assigned into treatment (n = 76) and contrast (n = 65) groups. Students in the treatment group received…
Descriptors: Reading Instruction, Instructional Effectiveness, Intelligence Quotient, Intelligence Differences
Peer reviewedRamey, Craig T.; Haskins, Ron – Intelligence, 1981
Infants judged to be at risk for subnormal intellectual growth were randomly assigned to experimental and control groups which varied as to educational curriculum activities. Two types of evidence, group differences and parent-child IQ correlations, demonstrate the importance of early environments in intellectual development. (Author/RD)
Descriptors: Control Groups, Day Care, Developmental Programs, Early Experience
Download full textCLINE, MARVIN; DICKEY, MARGUERITE – 1968
THE EXPERIMENTAL GROUP IN THIS STUDY WAS 112 KINDERGARTEN CHILDREN FROM 11 HEAD START CENTERS. IN ORDER TO ASSESS THE VALUE OF THE HEAD START PROGRAM, THE MEASUREMENT OF THE EXPERIMENTAL GROUP TAKEN DURING THE FALL WAS COMPARED TO A MEASUREMENT OF NON-HEAD START KINDERGARTEN CHILDREN TESTED ABOUT THE SAME TIME. AT LEAST FOUR MONTHS AFTER THE…
Descriptors: Academic Ability, Behavior Rating Scales, Cognitive Ability, Cognitive Development
