At which age can babies start visually tracking a fast-moving object?
A. 2-3 months
B. 4-5 months
C. 6-7 months
D. 8-9 months
Answer: A
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By the age of 2 to 3 months, ____________________ smiling has replaced ____________________ smiling
Fill in the blank(s) with correct word
The 2014 Standards for Educational and Psychological Testing recognize five sources of evidence of validity. Which one of the following is NOT one of those sources?
a. Evidence based on test content b. Evidence based on face validity c. Evidence based on response processes d. Evidence based on relations to other variables
The term ________ is a biological concept, which should be used to refer to classifications based on physical and structural characteristics of species
Fill in the blank with the appropriate word.
The heritability of attachment is
A) virtually nil. B) moderately low. C) moderately high. D) very high.