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Download full textJohnston, Lloyd D.; O'Malley, Patrick M.; Bachman, Jerald G.; Schulenberg, John E. – National Institute on Drug Abuse (NIDA), 2010
Monitoring the Future (MTF), now in its 35th year, has become one of the nation's most relied-upon sources of information on changes taking place in licit and illicit psychoactive drug use among American adolescents, college students, young adults, and more recently, middle-aged adults. During the last three and a half decades, the study has…
Descriptors: College Students, Intervals, Narcotics, Drug Use
Johnston, Lloyd D.; O'Malley, Patrick M.; Bachman, Jerald G.; Schulenberg, John E. – National Institute on Drug Abuse (NIDA), 2009
Monitoring the Future is a long-term program of research being 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. Now in its 34th year, the study is comprised of several ongoing series of annual surveys of nationally…
Descriptors: College Students, Drug Abuse, Drug Use, High School Graduates
Peer reviewedCicirelli, Victor G. – Developmental Psychology, 1973
One hundred sixty sibling pairs from two child families were sampled for sibling interaction behaviors as they relate to measures of categorization style. The study provides additional evidence of the importance of a child's siblings to his cognitive development. (Editor/RK)
Descriptors: Age Differences, Classification, Cognitive Development, Concept Teaching
Peer reviewedKerr, A. S. – Educational Research, 1973
This research note reports an investigation into the relationship tetween date of birth and early performance at school and especially into whether there were more poor achievers'' born during the summer months than in other months. (Author)
Descriptors: Academic Achievement, Age Differences, Age Grade Placement, Birth Order
Johnston, Lloyd D.; O'Malley, Patrick M.; Bachman, Jerald G.; Schulenberg, John E. – National Institute on Drug Abuse (NIDA), 2008
Monitoring the Future is a long-term program of research being 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. Now in its 33rd year, the study is comprised of several ongoing series of annual surveys of nationally…
Descriptors: College Students, High Schools, Drug Abuse, Drug Use
