What is a control variable in a nonexperimental research study?
What will be an ideal response?
Control variables represent alternative explanations for a causal relationship.
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The most recent growth in government bureaucracies has occurred at the federal levels
Indicate whether the statement is true or false
Which U.S. Supreme Court case ruled that a woman's right to have an abortion is protected by an implied constitutional right to privacy?
a. Planned Parenthood of Southeastern Pennsylvania v. Casey— b. Lawrence v. Texas c. Roe v. Wade d. New York Times Co. v. Sullivan
Which of the following candidates backed by party leaders won the 1968 presidential nomination without entering any state primaries?
a. Eugene McCarthy b. Robert Kennedy c. Lyndon Johnson– d. Hubert Humphrey
Suppose we want to test whether democracy prevents wars in a pair of democratic states. The following data were collected. According to these hypothetical data, democratic regimes in both states are _______________________ for preventing wars.
a. necessary
b. sufficient
c. necessary and sufficient
d. neither necessary nor sufficient