Research suggests that brain activity preparing for a movement starts before the conscious decision to make the movement. Which uncertainty is a possible problem with this research?

a. How accurately researchers can measure the time when brain activity starts
b. How accurately people can report the time of a voluntary decision
c. How accurately researchers can measure the time when the movement itself starts
d. How much the results vary between the left hand and the right hand

b

Psychology

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Research has shown that children in non-Western societies tend to reach each of Piaget's stages ___

a. at about the same age as children in Western societies b. at younger ages than children in Western societies c. at older ages than children in Western societies d. none of the above

Psychology

Express is to ________ as interpret is to ________

a. encode; decode b. decode; encode c. encode; emit d. emit; encode

Psychology