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Tipton, Elizabeth; Hedges, Larry; Vaden-Kiernan, Michael; Borman, Geoffrey; Sullivan, Kate; Caverly, Sarah – Journal of Research on Educational Effectiveness, 2014
Randomized experiments are often seen as the "gold standard" for causal research. Despite the fact that experiments use random assignment to treatment conditions, units are seldom selected into the experiment using probability sampling. Very little research on experimental design has focused on how to make generalizations to well-defined…
Descriptors: Probability, Inferences, Eligibility, Recruitment
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Leinhardt, Gaea; Seewald, Andrea Mar – Journal of Educational Measurement, 1981
In studying the effectiveness of different instructional programs, a criterion measure can favor one of the programs because there is greater overlap between the content covered on the test and in that program. This overlap can be measured using teacher estimates or teacher estimates combined with curriculum analysis. (Author/BW)
Descriptors: Criterion Referenced Tests, Curriculum, Elementary School Mathematics, Learning Disabilities
North Carolina State Dept. of Public Instruction, Raleigh. Div. of Research. – 1977
The Primary Reading Program was initiated in 117 classrooms in 40 North Carolina schools, to improve the reading achievement of the primary school students. The same number of control classrooms were also selected for comparison. Features of the program included increased funding for instructional materials; use of volunteers and teacher aides for…
Descriptors: Basic Reading, Instructional Improvement, Pilot Projects, Primary Education
Kushmuk, James – 1985
"Helping One Student to Succeed" (HOSTS) is a nationally validated Chapter 1 exemplary program adopted by 24 schools in the Portland School District (Oregon) during 1984-85. Designed to help low performers learn to read by providing individualized instruction on a one-to-one basis through the use of volunteer tutors, HOSTS served 833…
Descriptors: Academic Achievement, Achievement Gains, Elementary Education, Individualized Instruction
Brown, W. J., Jr.; Trivett, B. Clark – 1977
Concern over reports that North Carolina elementary school students performed below the national norms in reading achievement led to the establishment of a pilot program to improve reading skills in grades one through three. The Primary Reading Program was initiated in 117 classrooms in 40 schools throughout the state; 117 control classrooms from…
Descriptors: Basic Reading, Data Analysis, Data Collection, Instructional Improvement
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Goolsby, Thomas M., Jr.; Frary, Robert B. – 1971
This study was an attempt to assist a rural county school system in central Georgia with instruction at the third grade level in reading skills development after voluntary and complete integration. Specifically it was to (1) determine the general nature of the integration process in the county and its topical relationships and effects upon…
Descriptors: Achievement Tests, Behavioral Objectives, Desegregation Effects, Grade 3