The more violent television programs an individual watches, the more likely the individual develops aggressive behavior. Watching violent television is ______.
a. a dependent variable
b. an independent variable
c. a mediation variable
d. an intervening variable
Ans: b
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Teachers rated African American and white children as having ADHD, based on DSM-IV criteria, at about the same rate
Indicate whether this statement is true or false.
When students round up or down, they are practicing which skill?
a. Decimals b. Square roots c. Fractions d. Estimation
When your program includes breastfeeding mothers you should:
a. Encourage them to introduce formula to make leaving the baby easier. b. Support them and provide a comfortable place for mothers to nurse or pump milk. c. Tell them their baby will need to stop nursing by 12 months of age. d. Not talk about breastfeeding because it may embarrass them.
A researcher divided the target population into homogenous subgroups then randomly selected 25 students from each group. Which sampling procedure did the researcher use?
a) Simple random sampling b) Stratified random sampling c) Cluster random sampling d) Maximum variation sampling