In a __________design, one group of participants is followed and assessed as the group ages
A) cohort
B) longitudinal
C) behavior genetics
D) cross-sectional
Answer: B
Rationale: A longitudinal study follows the development of the same set of individuals through time.
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According to recent research, brain activity was greater for Americans relative to East Asians when:
A. estimating a line's length relative to the size of a square B. estimating the length of a line C. tracking the movement of a ball in the air D. watching the snake illusion
Henry weighs about 46 pounds and stands 46 inches tall. Henry is about __________ years old
a. 2 c. 6 b. 4 d. 8
When neonates in traditional cultures cry, what are the two common responses that occur?
a. breast-feeding and swaddling b. picking them up and rocking them c. singing to them and letting them continue to cry d. ignoring them and walking away
John drives to work each morning and the trip takes an average of ยต = 38 minutes. The distribution of driving times is approximately normal with a standard deviation of ? = 5 minutes. For a randomly selected morning, what is the probability that John's drive to work will take between 36 and 40 minutes?
A) ?0.0793 B) ?0.1526 C) ?0.1554 D) ?0.3108