One-year-old Katherine can run while most of her peers are just learning to walk. Which scale on the Bayley Scales would accurately measure this?

a. Cognitive scale
b. Attention scale
c. Language scale
d. Motor scale

D. The motor scale would show that she is clearly advanced.

Psychology

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In an experiment, the independent variable is always

a. changed by the subjects. b. confounded by other variables. c. controlled by the researcher. d. created by other researchers. e. considered by the control group.

Psychology

Dr. Smith believes people who are very aggressive have become so because of their life experiences. Dr. Goldberg believes people are more or less aggressive from birth because of genetic factors. Which of the following terms best describes an issue in human development that is highlighted by their disagreement?

a. nature versus nurture b. cognition versus emotion c. classical versus operant conditioning d. cross-sectional studies versus longitudinal studies e. continuity vs. discontinuity

Psychology