During which substage of Piaget's sensorimotor stage does the child begin to act upon the outside world, a process by which infants seek to repeat enjoyable events in their environments if they happen to produce them through chance activities?
A. Substage 2: First habits and primary circular reactions
B. Substage 1: Simple reflexes
C. Substage 3: Secondary circular reactions
D. Substage 4: Coordination of secondary circular reactions
Answer: C
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During the first treatment condition of a within-subjects experiment, the participants learn a new skill that helps improve their performance in later treatment conditions. For this study, the internal validity is threatened by ____
a. history effects b. instrumentation c. order effects d. regression toward the mean
For a(n) ____ the higher the stress level the greater the likelihood of illness. a. negative correlation c. statistically significant correlation b. positive correlation d. overlapping variance correlation
Fill in the blank(s) with correct word
During labor, mucus is suctioned from the baby's mouth in order to:
A) resuscitate the baby back to consciousness. B) increase the baby's heartbeat. C) prevent any infection that might affect the baby. D) clear the passageway for breathing from obstructions.
Sunny is a 20-week-old fetus. Robert is a 32-week-old fetus. If they were both developing normally, one would expect that Robert would _____ than Sunny.
A. have a significantly less surfactant B. spend less time in distinct states of activity C. have significantly less myelin D. spend significantly more time in the awake state