A researcher was interested in examining the different levels of aggression shown by college students and prisoners with life sentences. Aggression was measured by surveys given during one session. Which analysis should the researcher perform on the mean aggression scores of the groups?
a. related means t test
b. independent means t test
c. correlation
d. regression
B
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Jimmy's mother places a new rattle in his crib. Instantly, Jimmy picks up the rattle, tries to mouth the rattle, and notices that when it shakes, it makes noise. Jimmy immediately tries shaking the rattle different ways to see how the sound changes, and he seems to enjoy this activity. What would Jean Piaget say this is an example of?
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
The choroid plexus ____
a. cushions the brain b. protects the brain from infection c. is another name for the ventricles d. forms the cerebrospinal fluid
Examine the role of emotional regulation in the psychosocial development of the child. What are signs of emotional regulation in children? How can parents help children learn to regulate their emotions?
What will be an ideal response?
Skinner documented “superstitious behavior” in pigeons by
a. providing noncontingent food presentations. b. repeatedly changing behavior-outcome contingencies. c. using long delays between a behavior and its outcome. d. using short delays between a behavior and its outcome.