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Sluggish Cognitve Tempo: Stability, Validity, and Heritability

Vu, Alexander
http://orcid.org/0000-0002-8477-0701
http://rave.ohiolink.edu/etdc/view?acc_num=case1446570242

Abstract Details

2016, Master of Arts, Case Western Reserve University, Psychology.
Research on Attention Deficit Hyperactivity Disorder (ADHD; DSM-IV) has identified a pattern of behavior labelled sluggish cognitive tempo (SCT), characterized by daydreaming, sluggish physical activity, mental confusion, and a lack of mental alertness. Some studies have suggested that SCT is separable from the Inattentive subtype of ADHD; but not all studies are in agreement on this point. There has been very little research into the developmental stability of SCT as children mature. Relatively little research has been done evaluating the independent relations between SCT and cognitive abilities separate from the effects of Inattentive subtype ADHD. In addition, little research has been done on the etiology of SCT. In the present study, I explore the longitudinal stability of SCT over a period of seven years. I also explore the independent effects of SCT on cognitive and educational outcomes, social problems, internalizing behaviors, and anxious/depressive behaviors. Finally, I estimate genetic and environmental influences on SCT. Over a seven year period, SCT does not demonstrate longitudinal stability. I found no evidence that SCT has effects on cognitive or educational outcomes after the effects of Inattentive ADHD are controlled for. SCT significantly predicts social problems, internalizing behaviors, and anxious/depressive behaviors. Individual differences in SCT appear to be largely determined by non-shared environmental factors.
Lee Thompson, Ph.D (Advisor)
Lee Thompson, Ph.D (Committee Chair)
Heath Demaree, Ph.D (Committee Member)
Elizabeth Short, Ph.D (Committee Member)
77 p.
Psychology
Sluggish Cognitive Tempo; Longitudinal; Stability; Validity; Etiology; twins; genetic; ACE; Cholesky Decomposition; SCT

Recommended Citations

Citations

  • Vu, A. (2016). Sluggish Cognitve Tempo: Stability, Validity, and Heritability [Master's thesis, Case Western Reserve University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=case1446570242

    APA Style (7th edition)

  • Vu, Alexander. Sluggish Cognitve Tempo: Stability, Validity, and Heritability. 2016. Case Western Reserve University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=case1446570242.

    MLA Style (8th edition)

  • Vu, Alexander. "Sluggish Cognitve Tempo: Stability, Validity, and Heritability." Master's thesis, Case Western Reserve University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=case1446570242

    Chicago Manual of Style (17th edition)

case1446570242
397
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This open access ETD is published by Case Western Reserve University School of Graduate Studies and OhioLINK.