Bill is interested in how people react to news of an impending snow storm. He informs subjects that it is going to snow 2, 6, or 12 inches and then assesses their anxiety levels. Anxiety levels represent the __________ variable in this study

a. dependent
b. conceptual
c. independent
d. control

Psychology

Between 3 and 18 months of age, the brain's weight increases by what percent?

A) 20% B) 30% C) 40% D) 50%

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Psychology

The support given to children as they learn a new skill is called

A) processing capacity. B) scaffolding. C) centration. D) executive processes.

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Psychology