A psychologist who is studying the mathematical abilities of adults finds significant differences between the scores of adults born 50 years ago, when rote learning was stressed,
and those born 25 years ago, when more "progressive" approaches to education were popular. This is an example of a(n)
failure of longitudinal research.
advantage of cross-sectional research.
cohort difference.
intellectual decline in middle adulthood.
cohort difference.
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According to the article Betting on the Winners about therapy for gambling, one of the dependent
variables in this study was (a) the kind of treatment people received (b) the age of the participants (c) reported frequency of gambling (d) the difference between those who stayed in the study and those who dropped out
One of the most recognized landmarks of adolescent development is _________, the process of physical maturation that leads to the capability to reproduce
A) menarche B) gonorrhea C) puberty D) androgen