Synaptic pruning makes positive contributions to the development of cognitive abilities
Indicate whether the statement is true or false.
TRUE
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In Piaget's conservation-of-liquid problem, preoperational children are easily distracted by the ________ of objects and ignore the ___________ between events.
A) size; time period B) transformation; reversibility of direction C) perceptual appearance; dynamic transformation D) color; interaction
__________ is best described as a sensitively tuned "emotional dance."
A) Social referencing B) Interactional synchrony C) Child-directed speech D) Goodness of fit
________ are the best solution to most of the criticisms of research on the relationship between viewing media violence and subsequent aggressive behavior
a. Field experiments b. Correlational studies c. Longitudinal studies d. Laboratory studies
If you examined the effect of studying 0, 1, or 2 hours a day on grades, how would you write the null hypothesis?
a. µD = 0 b. µ1 - µ2 = 0 c. µ1 - µ2 - µ3 = 0 d. µ1 = µ2 = µ3