________ is the earliest and most powerful way infants communicate their needs.
A. Social smiling
B. Cooing
C. Crying
D. Anticipatory smiling
Answer: C
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It is easier to read a briefly presented letter that is part of a word than the same letter in isolation
a. True b. False Indicate whether the statement is true or false
All other things being equal, a repeated-measures design is _______ than the corresponding between-subjects design
a. less powerful. b. more powerful. c. The two designs have comparable power. d. We cannot predict this.
Where does the sympathetic branch of the nervous system arise from?
A. the upper portion of the spinal cord B. the lower portion of the spinal cord C. both the upper and lower portions of the spinal cord D. the middle of the spinal cord
Institutional review boards are typically made up of people from:
a. the institution b. the community c. legal firms d. both the institution and the community