If the mean IQ of all Omega University students was equal to 115, and a
small sample of students was selected from the population whose mean IQ was
120, then this difference of 5 points would equal
a. parameter
b. the statistic
c. the sampling error
d. the deviation quartile
c
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When one manipulates an independent variable, at least how many groups are created?
A) one B) two C) three D) four
If a researcher were to observe the preferential-looking behavior of a three-month-old, she or he would most likely find that the infant looked at
a. a gray circular array the longest amount of time. b. a simple rectangular bar the longest amount of time. c. a facelike pattern the longest amount of time. d. each of these for an equal length of time.
During early childhood, the number of neurons ___________:
a. increases, as children are stimulated in school. b. increases, as children become more verbal. c. decreases, due to synaptic pruning d. decreases, due to overall brain mass decreasing.
In terms of color vision, neonates can detect the differences between red and white, but not between white and other colors, probably because ___________
their cones are immature neonates are color blind their retinas are not developed their rod receptors have not yet formed