1990
DOI: 10.1080/09362839009524758
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Effects of institutionalization on the self‐concept and outerdirectedness of adolescents with mental retardation

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Cited by 6 publications
(3 citation statements)
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“…The mean quality score of internal validity was 2.3/5 ( SD = 1.0). Nine (43%) of the studies (Bybee, Ennis, & Zigler, ; Carroll, Friedrich, & Hund, ; Jones, ; Leahy, Balla, & Zigler, ; Mueller & Prout, ; O'Byrne & Muldoon, ; Stager, Chassin, & Young, ; Szumski & Karwowski, ; Yun & Ulrich, ) met more than half of the internal validity criteria. More precisely, as illustrated in Table , the most frequently satisfied criteria were a clear presentation of the self‐concept assessment procedure (16/21, 76%) and the incorporation of a correction for the confounding effect of sex (13/21, 62%).…”
Section: Resultsmentioning
confidence: 99%
“…The mean quality score of internal validity was 2.3/5 ( SD = 1.0). Nine (43%) of the studies (Bybee, Ennis, & Zigler, ; Carroll, Friedrich, & Hund, ; Jones, ; Leahy, Balla, & Zigler, ; Mueller & Prout, ; O'Byrne & Muldoon, ; Stager, Chassin, & Young, ; Szumski & Karwowski, ; Yun & Ulrich, ) met more than half of the internal validity criteria. More precisely, as illustrated in Table , the most frequently satisfied criteria were a clear presentation of the self‐concept assessment procedure (16/21, 76%) and the incorporation of a correction for the confounding effect of sex (13/21, 62%).…”
Section: Resultsmentioning
confidence: 99%
“…This instrument is a 36-item self-report measure that taps Global Self-Worth and five specific domains, including Social Acceptance. It has been widely used by researchers in the intellectual and developmental disabilities field (e.g., Bybee, Ennis, & Zigler, 1990). Harter (1985b) reported internal consistency reliabilities for each of the subscales, ranging from .71 to .85, with factor analyses revealing that each subscale defined its own factor with cross loadings across factors negligible at .04 and .08.…”
Section: Methodsmentioning
confidence: 98%
“…According to Zigler's (1999Zigler's ( , 2001 theory people with intellectual disability are prone to develop specific personality-motivational traits which influence their functioning. This theory emphasises the role of environmental factors stating that such traits emerge as a result of exposure to certain events and situations common for people with intellectual disability, such as failures in cognitively demanding tasks or negative social experiences like institutionalisation or parental neglect (Bennet-Gates and Zigler, 1999a;Bybee and Zigler, 1999;Weisz, 1999). The significance of this approach lays in the fact that specific traits not only allow to capture aspects of functioning that are more likely to manifest in people with intellectual disability than in people from the general population, but also allow to explain functioning of people with this type of disability by going beyond judgments that attribute all manner of difficulties experienced by people within this group to a general decline in their cognitive functioning.…”
Section: Introductionmentioning
confidence: 99%