The most crucial micronutrient deficiency worldwide is _____________
a. zinc
b. calcium
c. vitamin C
d. iodine
Answer: D
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Studies of friendships within many animal species have found that having friends . . .
a. Helps males produce more offspring b. Helps females live longer c. Helps females have more infants who survive d. All of the above
Manipulation of type of instructions given is an example of quantitative variation of an independent variable
Indicate whether the statement is true or false
One innovation at Müller’s laboratory was the invention of the memory drum, which was a(n) ____
a. musical instrument for studying the role of music in memory b. automatic device for collecting the results generated by memory studies c. automatic device for displaying memory stimuli to subjects d. means for recreating music from primitive societies as stimuli
In what important way do modern brain studies differ from the studies performed in the early days of cognitive neuroscience?
A. Modern studies allow researchers to examine brain activity in research subjects who have no problems with memory, speech, or learning. B. Early studies were based on dozens or hundreds of human subjects, but more recent studies focus on only one or two people per study. C. Early studies focused on the frontal lobe, while more recent studies have concentrated almost exclusively on the temporal lobe. D. Recent studies examine more subjects but can be significantly less accurate because the subjects have no cognitive deficits.