If 10-year-old girls born in the 1950s act differently than 10-year-old girls born in the 1990s, it may be due to
A) differential dropout.
B) random assignment to condition.
C) cohort effects.
D) misuse of longitudinal research designs.
C) cohort effects. Comparing children of the same age, across generations, includes the risk that they may differ due to cultural and historical influences.
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Regarding attention, which of the following statements is FALSE?
a. Motivational states influence attention. b. Repeated exposure to a changing stimulus leads to habituation. c. Habituation to certain stimuli is quite common and makes evolutionary sense. d. Newborn infants pay more attention to their mothers' voices than to the voices of other women. e. Humans pay more attention to stimuli that are meaningful or emotionally significant than those that are not.
With respect to spoken language, semantics refers to:
a. rules for combining sounds to make words b. rules for combining words to make sentences c. the practical knowledge used to comprehend and produce spoken language d. rules for communicating meaning
Alicia is pregnant and continues to ____________ throughout her pregnancy. She is ______ likely to have a child diagnosed with ADHD.
A. smoke cigarettes; less B. consume high amounts of sugar; more C. smoke cigarettes; more D. consume low amounts of sugar; less
Three-year-old J.T. understands that 3 is more than 2, and 2 is more than 1. J.T. has a grasp of
A) ordinality. B) cardinality. C) chronological order. D) one-to-one correspondence.