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
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We can draw conclusions about a larger group of people by randomly selecting a smaller group. The entire larger group of people is known as the
a. natural clinical trial. b. representative sample. c. population. d. conglomerate.
The purpose of the scientific method is to find ways to support researchers' hypotheses
Indicate whether this statement is true or false.
Neurotransmitters are found in the
A) mitochondria. B) cell body. C) synaptic vesicles. D) dendritic spines.
A child observes another child acting unafraid in the presence of a stranger. Then, the observing child also stops acting afraid of the stranger. This is an example of:
a. social referencing. c. insecure attachment. b. secure attachment. d. activation of reflexes.