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Megan E. Patrick; Richard A. Miech; Lloyd D. Johnston; Patrick M. O’Malley – Institute for Social Research, 2024
Monitoring the Future (MTF) is an ongoing research program conducted at the University of Michigan's Institute for Social Research under a series of investigator-initiated research grants from the National Institute on Drug Abuse beginning in 1975. The integrated MTF study includes annual surveys of nationally-representative samples of 8th, 10th,…
Descriptors: Drug Abuse, Substance Abuse, Adults, Young Adults
Peer reviewed Peer reviewed
Emerson, Eric; Howard, Denise – Research in Developmental Disabilities, 1992
The phenomena of the induction and entrainment of adjunctive behaviors was investigated in 8 people (ages 5-51) with severe or profound mental retardation who exhibited stereotypic behaviors. Seven of the eight demonstrated evidence of schedule-induced stereotypic behavior, whereas five also showed evidence of the entrainment of these behaviors by…
Descriptors: Adults, Behavior Patterns, Behavior Problems, Children
Hall, Scott; Thorns, Tracy; Oliver, Chris – American Journal on Mental Retardation, 2003
This study examined structural characteristics and environmental variables in the stereotypic behaviors of eight individuals with developmental disabilities. Findings indicated that structural characteristics (percentage of time, bout length, and bout length variability) were highly correlated. Also, stereotyped behaviors were more likely to occur…
Descriptors: Adults, Behavior Patterns, Behavior Problems, Children
Peer reviewed Peer reviewed
Dykens, Elisabeth M.; And Others – Journal of Autism and Developmental Disorders, 1997
A study examined the cognitive and behavioral profiles in 10 individuals (ages 14-51) with Smith-Magenis syndrome. Results found the individuals showed significant relative weaknesses in sequential processing and strengths in naming a partially completed drawing, identifying things, and in reading/decoding. Behavioral findings indicated…
Descriptors: Adolescents, Adults, Behavior Patterns, Behavior Problems
Hodapp, Robert M.; Dykens, Elisabeth M. – American Journal on Mental Retardation, 2001
This article examines the status of behavioral research on genetic mental retardation syndromes and finds that the field continues to struggle with three methodological issues: (1) how to think about control or contrast groups, (2) the interplay of behavioral phenotypes with development and other within-group variations, and (3) the efficacy of…
Descriptors: Adults, Behavior Patterns, Behavioral Science Research, Children
Budoff, Milton; And Others – 1980
This three volume report presents findings from an interview study with 103 children and adults regarding their awareness and conceptions of handicapping conditions and from a followup study of preschool handicapped and nonhandicapped students. Volume I details the design and results of the interview study focusing on Ss in five age groups:…
Descriptors: Adults, Age Differences, Behavior Patterns, Disabilities