A researcher contrasts preterm and full term infants on visual acuity, and notes that the full
term infants display quicker visual reaction time.
When reviewing the videotapes, the
researcher notes that the preterm infants appear sleepier and less alert than the full term
infants. What methodological issue has the researcher identified?
A) Differences in perinatal status.
B) The importance of infant state.
C) The researcher apparently did not correct for gestational age.
D) The researcher should have only included the highest functioning preterm infants.
B
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In a sketch of the New York downtown area, Vincent creates a feeling of depth by drawing skyscrapers so that they partially overlap. The cue for depth he is using is known as:
A. linear perspective B. relative size C. atmospheric perspective D. interposition
A three-level within-subjects factorial design with 30 scores per cell requires ______ participants.
A. 30 B. 60 C. 90 D. 10
Research on aggression has shown:
a. no biological influences. b. children may learn to be aggressive by watching others. c. peers are most likely to react negatively to aggressive children. d. no relationship between aggressive behavior and violent television.
What type of muscle is responsible for the movement of your arms?
A. smooth B. striated C. cardiac D. tritiated