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Bernhard, Judith K.; Siegel, Linda S. – Computers in the Schools, 1994
Discussion of locus of control (LOC), gender, and mathematics and technical subjects focuses on a study of preschool girls and boys that investigated the effects of a LOGO program on efficacy and LOC. Highlights include treatment of experimental and control groups; gender differences; parent questionnaires; and pretests and posttests. (69…
Descriptors: Analysis of Variance, Computer Assisted Instruction, Control Groups, Experimental Groups
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Meichtry, Yvonne J. – Journal of Research in Science Teaching, 1992
More than 1,600 middle school students, including an experimental group exposed to the Biological Science Curriculum Study (BSCS), were administered the Modified Nature of Scientific Knowledge Scale. Results indicate that the students utilizing the traditional science curriculum possessed a significantly better understanding of the testable nature…
Descriptors: Cognitive Development, Cognitive Measurement, Comparative Analysis, Control Groups
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Farynaiarz, Joseph V.; Lockwood, Linda G. – Journal of Research in Science Teaching, 1992
Utilizes a quasiexperimental design to examine the impact of microcomputer simulations on environmental problem solving by community college students. The experimental group of students (n=34) showed a highly significant improvement in problem-solving skills after being exposed to three simulation models that focused on lake pollution analysis,…
Descriptors: Community Colleges, Computer Assisted Instruction, Computer Simulation, Computer Uses in Education
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Mayer, Richard E.; Anderson, Richard B. – Journal of Educational Psychology, 1991
In two experiments, 102 mechanically naive college students viewed an animation on bicycle tire pump operation with a verbal description before or during the animation or without description. Improved performance of those receiving description during the animation supports a dual-coding hypothesis of connections between visual and verbal stimuli.…
Descriptors: Animation, Coding, College Students, Comparative Analysis
Kazdin, Alan E. – American Journal on Mental Retardation, 1993
This commentary on EC 605 442, which indicated long-term gains for children with autism who experienced intensive behavioral intervention as preschoolers, emphasizes the need for replication. The replication study should use random assignment to experimental and control groups, a larger sample of cases, standard diagnostic instruments to delineate…
Descriptors: Autism, Behavior Modification, Control Groups, Diagnostic Tests
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Vander Wall, William J. – Engineering Design Graphics Journal, 1991
An experimental group of students from an introductory engineering graphics class was required to watch 30 videotapes that presented basic concepts of engineering graphics, whereas a control group had no access to the videotapes. No differences were established between the groups. (JJK)
Descriptors: Audiovisual Instruction, Control Groups, Drafting, Educational Technology
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Sasser, John E. – Journal of Computers in Mathematics and Science Teaching, 1991
This research study provides evidence indicating that students who receive appropriately chosen computer software tutorials as homework assignments attain higher achievement results than do those students who receive the traditional paper-and-pencil exercises as homework assignments. (JJK)
Descriptors: Computer Assisted Instruction, Control Groups, Elementary School Teachers, Experimental Groups
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Hanewinkel, Reiner; Abhauer, Martin – Health Education Research, 2004
The life-kills approach to smoking prevention was tested in this study. In total, 1024 pupils (mean age 11.4 years, SD = 0.90) from Austria, Denmark, Luxembourg and Germany were recruited as an experimental group, and a sample of 834 matched pupils served as a control group. While the pupils from the control group received no specific…
Descriptors: Experimental Groups, Control Groups, Intervention, Smoking
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O'Connell, Timothy S.; Dyment, Janet E. – Journal of Adventure Education and Outdoor Learning, 2004
The purpose of this study was to examine if and how participation in a journaling workshop influenced the content of student journals. A total of 59 post secondary students from two university programs in North America participated in this study and were randomly assigned to either an experimental (n = 21) or control (n = 38) group. Before their…
Descriptors: Experimental Groups, Workshops, Student Journals, Content Analysis
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Jimenez, Juan E.; Garcia, Eduardo; Estevez, Adelina; Diaz, Alicia; Guzman, Remedios; Hernandez-Valle, Isabel; Rosario, Maria; Rodrigo, Mercedes; Hernandez, Sergio – Electronic Journal of Research in Educational Psychology, 2004
Introduction: The main purpose of this study is to investigate whether children who have reading disabilities in an alphabetically transparent orthography show a syntactic processing deficit. This research focuses on exploring syntactic processing and the use of morphological markers by subjects with reading disabilities. We analyze these groups'…
Descriptors: Elementary School Students, Experimental Groups, Control Groups, Reading Difficulties
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Van Stelle, Kit R.; Moberg, D. Paul – Journal of Offender Rehabilitation, 2004
The current study assessed the effectiveness of a prison-based substance abuse treatment therapeutic community (TC) providing treatment to male inmates dually diagnosed with both substance abuse and mental health disorders. The findings show a short-term impact of the program on arrest after release, with program participants significantly less…
Descriptors: Substance Abuse, Therapeutic Environment, Psychotherapy, Mental Disorders
Kanda, Makiko; Beglar, David – RELC Journal: A Journal of Language Teaching and Research, 2004
The purpose of this study was to investigate the effectiveness of two experimental methods of teaching the present progressive verb tense based on four instructional principles: teach form-function relations, compare similar grammatical forms, promote learner autonomy, and provide opportunities for generative use. Ninety-nine Japanese first-year…
Descriptors: Experimental Groups, Control Groups, Form Classes (Languages), Grammar
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Innstrand, Siw Tone; Espnes, Geir Arild; Mykletun, Reidar – Journal of Applied Research in Intellectual Disabilities, 2004
Background: The present paper reviews staff stress, burnout and job satisfaction. Methods: A longitudinal, quasi experimental study was carried out among staff working with people with intellectual disabilities in two municipalities in Norway. The purpose was to measure mean differences of stress, burnout and job satisfaction after different…
Descriptors: Experimental Groups, Control Groups, Municipalities, Intervention
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Hewson, Mariana G.; Hewson, Peter W. – Journal of Research in Science Teaching, 2003
One of the factors affecting students' learning in science is their existing knowledge prior to instruction. The students' prior knowledge provides an indication of the alternative conceptions as well as the scientific conceptions possessed by the students. This study is concerned primarily with students' alternative conceptions and with…
Descriptors: Foreign Countries, Prior Learning, Scientific Concepts, Experimental Groups
Al-Serhani, Wafa Fahed – Online Submission, 2007
This study investigated the effect of the portfolio assessment strategy to teach and assess writing performance of EFL third year students enrolled at the 3rd Secondary School, Skaka (Al-Jouf region). The purpose of the study was to determine whether a specific portfolio assessment model was effective in helping the students to improve their…
Descriptors: Portfolios (Background Materials), Writing Skills, English (Second Language), Second Language Learning
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