The risk of bearing a child with Down syndrome rises dramatically with

A) multiple births.
B) maternal age.
C) prenatal tobacco exposure.
D) prenatal malnutrition.

B

Psychology

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According to Albert Bandura and Social Cognitive Theory, personality is acquired by exposure to effective ______ .

A) reinforcers. B) positive encouragements. C) models. D) behaviors.

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The quickest and least expensive way to study development is with:

cross-sectional research. the case study. cross-sequential studies. longitudinal research.

Psychology