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Vermillion, James E. – 1980
The presence of artifactual bias in analysis of covariance (ANCOVA) and in matching nonequivalent control group (NECG) designs was empirically investigated. The data set was obtained from a study of the effects of a television program on children from three day care centers in Mexico in which the subjects had been randomly selected within centers.…
Descriptors: Analysis of Covariance, Control Groups, Error of Measurement, Experimental Groups
Download full textKINNANE, JOHN F.; SUZIEDELIS, ANTANAS – 1966
TO DETERMINE THE WORK VALUES OF THE PHYSICALLY HANDICAPPED, A WORK MOTIVATION SCHEDULE WAS DEVELOPED AND ADMINISTERED TO 200 NORMAL WHITE MEN AND 200 WOMEN OF REPRESENTATIVE NATIONAL AVERAGE AGE AND EDUCATION AND TO CEREBRAL PALSIED, DEAF, 63 RECENT AMPUTEES FROM THE VIETNAM WAR AND NEURO-PSYCHIATRIC PATIENTS. COMPARISON OF THE TWO GROUPS SHOWED…
Descriptors: Age, Amputations, Cerebral Palsy, Comparative Analysis
EDDY, MAX; AND OTHERS – 1966
A STUDY WAS INITIATED IN 1963 TO (1) DEVELOP A PROGRAM OF VOCATIONAL INSTRUCTION USING THE COOPERATIVE WORK-STUDY METHODOLOGY, (2) TEST THE EFFECTIVENESS OF SUCH PROGRAMS AS A MEANS OF TRAINING AND PLACING RETARDED YOUTH IN JOBS, AND (3) DEVELOP CRITERIA FOR PREDICTING THE SUCCESS OF RETARDED PUPILS IN COOPERATIVE WORK STUDY AND IN EMPLOYMENT. THE…
Descriptors: Control Groups, Cooperative Education, Demonstration Programs, Experimental Groups
KARNES, MERLE B.; AND OTHERS
A PRESCHOOL EDUCATIONAL PROGRAM WAS DEVELOPED IN WHICH THE ONLY TEACHER FOR THE CHILD IS HIS MOTHER. IT WAS HYPOTHESIZED THAT MOTHERS OF LOW SOCIOECONOMIC AND EDUCATIONAL LEVEL CAN CONTRIBUTE MATERIALLY, WITH MINIMAL BUT PROPER TRAINING, TO THE INTELLECTUAL AND LINGUISTIC DEVELOPMENT OF THEIR CHILDREN. THE TRAINING PROGRAM FOR THE MOTHERS…
Descriptors: Achievement Gains, Compensatory Education, Control Groups, Disadvantaged
PURKEY, WILLIAM WATSON – 1967
THE STIMULATION OF BRIGHT UNDERACHIEVERS WAS THE GOAL OF A PROJECT CONDUCTED IN NINE FLORIDA HIGH SCHOOLS WITH A SAMPLE OF 44 EXPERIMENTAL AND 40 CONTROL GROUP STUDENTS. BRIGHT UNDERACHIEVERS WERE DEFINED AS STUDENTS WHO HAD SCORED ABOVE THE 75TH PERCENTILE ON THE SCHOOL AND COLLEGE ABILITY TEST IN THE NINTH GRADE, BUT WHOSE GRADES AVERAGED…
Descriptors: Academic Achievement, Academically Gifted, Control Groups, Curriculum
Williams, Twyman G., Jr. – 1967
The effectiveness of visible recorded feedback responses in teaching scientific theory and principles to vocational agriculture students was studied. Specific objectives were to determine the value of group feedback to the teacher, the difference in learning retention between students with and without feedback, and the difference in efficient use…
Descriptors: Agricultural Education, Comparative Analysis, Control Groups, Educational Experiments
CORTES, CARLOS F.; AND OTHERS – 1966
IN ORDER TO EVALUATE THE EFFECT OF A STRUCTURED PRESCHOOL ACADEMIC PROGRAM UPON THE COGNITIVE GROWTH OF CULTURALLY DEPRIVED CHILDREN, A LONGITUDINAL STUDY WAS BEGUN ON 107 FOUR-YEAR-OLDS IN CLEVELAND, OHIO. RELEVANT RESEARCH LITERATURE WAS REVIEWED IN DESIGNING THE STUDY. THE FIRST PHASE, RECOUNTED IN THIS REPORT, EXPLORED PSYCHO-LINGUISTIC,…
Descriptors: Child Development Centers, Cognitive Measurement, Control Groups, Disadvantaged
Brenner, Charles J. – 1968
The purpose of this study was to ascertain the ef"ects of direct-detailed and directed discovery laboratory methods on selected behavior characteristics of college students during a 3-week period. The 120 students wer" enrolled in three sections of an electricity course under three teachers. During the first 3 weeks of the experiment, 20 students…
Descriptors: College Students, Comparative Analysis, Control Groups, Doctoral Dissertations
Dunn, Lloyd M.; And Others – 1967
This Cooperative Language Development Project had two objectives: (1) to provide a modified language program for culturally disadvantaged first graders and (2) to evaluate the effectiveness of the program in terms of academic, intellectual, and linguistic growth. In a 2-year intervention program experimental versions of the Peabody Language…
Descriptors: Academic Achievement, Control Groups, Disadvantaged, Elementary School Students
Kleine, Louis W. – 1968
The experimental pilot project was conducted to determine whether students who take the laboratory phase of an engineering technology applied electricity course in a mobile laboratory at branch schools demonstrate proficiency comparable to students who take the applied electricity course in permanent facilities at the parent institution. The…
Descriptors: Comparative Analysis, Control Groups, Course Content, Electricity
Dolly, John P.; And Others – 1977
An attempt was made to see what effect implementation of ethical guidelines would have on cognitive and affective data collected in a classroom setting. A total of 126 graduate and 90 undergraduate male and female subjects were assigned randomly to six treatment groups. The six groups were provided different levels of information on a continuum…
Descriptors: Bias, Cognitive Measurement, Control Groups, Data Analysis
Northwestern Tri-County Intermediate Unit 5, Edinboro, PA. – 1974
An evaluation made by outside experts was conducted to measure the effectiveness of the nine revised cluster units in Project AWAKE, to investigate the program's progress towards its stated objectives, and to evaluate the methodology employed. Career awareness of students was compared and evaluated through separate tests. Scenes depicting work and…
Descriptors: Career Awareness, Career Education, Comparative Analysis, Control Groups
Myers, David Lee – 1969
The effect of predictive solutions on training time (speed) and subsequent performance in a complex manual control system was investigated. A control system with a slow and complex response to the input signals was formulated. Fifty control operators, 25 with the aid of predictive solutions and 25 without, were tested; the mean performances of the…
Descriptors: Analysis of Variance, Bibliographies, Control Groups, Difficulty Level
Stenson, Stanford Owen – 1969
This study investigated the extent to which persons developed their listening skills in an Indiana Plan Institute (a five day program in which participants meet in learning groups to study and use basic educational principles relevant to the formation and functioning of effective adult learning teams) when a listening skills workshop was added.…
Descriptors: Analysis of Variance, Attitudes, Behavior Change, Bibliographies
Mitchell, Rie Rogers – 1969
A study was made to compare the effectiveness (determined by individual behavior change) of three sensitivity training conditions--spaced, massed, and combined--compared with each other and with a control group (no training); and to determine the relationship between 25 personal characteristics and the behavior change under the various conditions…
Descriptors: Behavior Change, Control Groups, Doctoral Dissertations, Experimental Groups
