Why do Kipsigi infants rarely sleep more than 3 hours straight, day or night, for the first year of life?
a. They do not sleep in a separate room and therefore siblings wake them up throughout the night.
b. They doze on their mother's back throughout the day and feed often at night.
c. Because of the high rates of infant mortality in the Kipsigi culture, mothers wake their infants often to make sure they are still alive.
d. Kipsigi adults rarely sleep more than 3 hours straight.
Answer: B
You might also like to view...
Describe the general pattern of romantic development and factors during development that are associated with more intimate and high-quality romantic relationships in early adulthood.
What will be an ideal response?
A conditioned reinforcer is a reinforcer that is effective without any prior learning or conditioning
a. True b. False Indicate whether the statement is true or false
A psychologist conducts research using the twin-study method. He administers a need for Achievement scale to sets of monozygotic and dizygotic twins and finds a correlation of .50 between the scores for pairs of monozygotic twins. If this study is to demonstrate evidence for a genetic influence on need for Achievement, what would we expect the correlation to be between scores for pairs of
dizygotic twins? A. Higher than .50 B. Lower than .50 C. Very close to .50 D. There is no way to demonstrate a genetic influence with these data.
If a sample has a small standard deviation, we can say the scores in the sample are
a. variable. b. small. c. extreme. d. consistent.