A Team of Researchers Is Studying the Possible Effect of Parents

question 10

Multiple Choice

A team of researchers is studying the possible effect of parents taking child-rearing classes on children's behavioral well-being.When they test the relevant null hypothesis,they are assessing whether

• A)sample data show that child behavior differed by whether parents took the classes.
• B)parenting classes are actually the independent variable rather than the dependent variable.
• C)the observed association between parenting classes and child behavior is the result of chance.
• D)the observed association is actually explained by a confounding variable.

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