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Seider, Scott – Journal of Adolescent Research, 2008
In this study, I compared the shifts in attitude of affluent high school seniors participating in a course on social justice issues to a control group of similar adolescents. In this course, participating adolescents learned about social justice issues such as homelessness, poverty, world hunger, and illegal immigration. An analysis of presurvey…
Descriptors: Social Justice, Control Groups, Equal Education, Homeless People
Holzinger, Andreas; Kickmeier-Rust, Michael; Albert, Dietrich – Educational Technology & Society, 2008
With the increasing use of dynamic media in multimedia learning material, it is important to consider not only the technological but also the cognitive aspects of its application. A large amount of previous research does not provide preference to either static or dynamic media for educational purposes and a considerable number of studies found…
Descriptors: Control Groups, Computer Science Education, Computer Assisted Instruction, Program Effectiveness
Greig, Anne; Minnis, Helen; Millward, Reuben; Sinclair, Claire; Kennedy, Eilis; Towlson, Kate; Reid, Warren; Hill, Jonathan – Educational Psychology in Practice, 2008
This review and investigation draws on principles from attachment theory regarding the importance of early relationships and their impact on the coherence and organisation of psychological functions. Comparisons are made between the narrative coherence scores of an experimental group of 17 looked-after children with problematic relationship…
Descriptors: Experimental Groups, Control Groups, Investigations, Personal Narratives
Sarfo, Frederick Kwaku; Elen, Jan – Instructional Science: An International Journal of the Learning Sciences, 2008
This study aimed at experimentally investigating the moderating role of instructional conceptions on the effectiveness of powerful learning environments (PLE) designed in line with the four-component instructional design model (4C/ID-model). The study also investigated the influence of learning in a 4C/ID PLE on students' instructional…
Descriptors: Experimental Groups, Control Groups, Quasiexperimental Design, Instructional Design
Milman, Lisa H.; Dickey, Michael Walsh; Thompson, Cynthia K. – Brain and Language, 2008
Hierarchical models of agrammatism propose that sentence production deficits can be accounted for in terms of clausal syntactic structure [Friedmann, N., & Grodzinsky, Y. (1997). "Tense and agreement in agrammatic production: Pruning the syntactic tree." "Brain and Language, 56", 397-425; Hagiwara, H. (1995). "The breakdown of functional…
Descriptors: Verbs, Syntax, Patients, Program Effectiveness
Park, Jooyong; Choi, Byung-Chul – British Journal of Educational Technology, 2008
A new computerised testing system was used at home to promote learning and also to save classroom instruction time. The testing system combined the features of short-answer and multiple-choice formats. The questions of the multiple-choice problems were presented without the options so that students had to generate answers for themselves; they…
Descriptors: Experimental Groups, Control Groups, Computer Assisted Testing, Instructional Effectiveness
Peer reviewedParloff, Morris B. – Journal of Consulting and Clinical Psychology, 1986
Describes problems in implementing placebo controls in psychotherapy including the difficulty of ensuring that therapists and their patients will view both the experimental and placebo treatments as comparably credible. Considers six research issues stemming from the definitional requirement that the placebo control for the critical and specific…
Descriptors: Control Groups, Program Evaluation, Psychotherapy, Research Design
Peer reviewedMcIntosh, John L. – Suicide and Life-Threatening Behavior, 1993
Reviews empirical studies of suicide survivors with designs that include control groups. Discusses investigations individually with respect to those in which participating survivors are friends or combination of different relationships to deceased, parents of deceased child, and spouses. Discusses commonalities of findings and most frequent…
Descriptors: Control Groups, Family Relationship, Research Methodology, Research Problems
Peer reviewedRiniolo, Todd C. – Journal of Experimental Education, 1999
Presents an alternative statistical test, BOOT(subscript)med for the two-group situation when a small experimental group is being compared with a large control group. BOOTmed is a between-groups median test derived through bootstrapping techniques. Empirical validation indicates that BOOTmed maintains relatively robust error rates under a variety…
Descriptors: Comparative Analysis, Control Groups, Error of Measurement, Statistical Analysis
Litt, Jonathan; Taylor, H. Gerry; Klein, Nancy; Hack, Maureen – Journal of Learning Disabilities, 2005
This study examined achievement, neuropsychological, and intervention outcomes at a mean age of 11 years in children with very low birthweight (VLBW, < 1,500 g) compared with a term-born control group. To assess the prevalence and correlates of specific learning disabilities (LD), the sample was limited to children without neurosensory disorders…
Descriptors: Learning Problems, Incidence, Intelligence Quotient, Control Groups
Peer reviewedOrtiz, Jame; Raine, Adrian – Journal of the American Academy of Child and Adolescent Psychiatry, 2004
Objective: To assess whether antisocial children are characterized by low heart rate. Method: A meta-analysis was conducted on 45 independent effect sizes of the resting heart rate-antisocial behavior relationship obtained from 40 studies meeting inclusion and exclusion criteria. Studies were conducted between 1971 to 2002 using a total of 5,868…
Descriptors: Psychiatry, Metabolism, Adolescents, Effect Size
Peer reviewedKane, Robert L.; Flood, Shannon; Bershadsky, Boris; Keckhafer, Gail – Gerontologist, 2004
Purpose: We sought to assess the quality of care provided by an innovative Medicare+Choice HMO targeted specifically at nursing home residents and employing nurse practitioners to provide additional primary care over and above that provided by physicians. The underlying premise of the Evercare approach is that the additional primary care will…
Descriptors: Physicians, Nurses, Mortality Rate, Hospitals
Haider-Markel, Donald P.; Joslyn, Mark R. – Death Studies, 2004
As a political issue, death and dying topics only sometimes reach the political agenda. However, some issues, such as physician-assisted suicide (PAS) have been highly salient. This article explores attitudes toward PAS by examining the malleability of opinion when respondents are exposed to issue frames and when specific messengers present those…
Descriptors: Political Issues, Opinions, Suicide, Control Groups
Heath, Nancy Lee; Glen, Tamara – Journal of Clinical Child and Adolescent Psychology, 2005
We tested the hypothesis that overestimations of performance by children with learning disabilities (LD) are self-protective and will dissipate following positive feedback. Twenty-three boys and 17 girls with LD (ages 10.6 to 13.5 years) and a control group of non-LD matched children (22 boys and 17 girls) provided a prediction of their…
Descriptors: Prediction, Spelling, Feedback, Control Groups
Berntsen, Dorthe; Thomsen, Dorthe K. – Journal of Experimental Psychology: General, 2005
One hundred forty-five Danes between 72 and 89 years of age were asked for their memories of their reception of the news of the Danish occupation (April 1940) and liberation (May 1945) and for their most negative and most positive personal memories from World War II. Almost all reported memories for the invasion and liberation. Their answers to…
Descriptors: Control Groups, War, Memory, Long Term Memory

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