The authors discussed a scenario of when their twins were 7 months old and were taking turns babbling to each other. What did this exemplify?
a) pragmatics
b) cooing
c) semantics
d) infant-directed speech
Answer: a
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The BEST evidence supporting the role of genetic factors in intelligence is provided by studies that compare
a. children to both their biological and adoptive parents. b. identical and fraternal twins. c. people born in different generations since the 1930s. d. children raised in poverty and middle-class children.
What factors tend to promote decision avoidance?
What will be an ideal response?
A researcher obtains SSX = 20, SSY = 5, and SP = 7 for a set of n = 25 pairs of scores. The Pearson correlation for these scores is r = 7/10 = 0.70
Indicate whether the statement is true or false