___________ means that there is constant variance, or that the variation in Y is the same at each level of X.
a. Multicolinearity
b. Spurious
c. Homoscedasticity
d. Interaction
c. Homoscedasticity
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Suppose we designed a study to test experimentally the effects of mother/child separation during the first six months of life on future educational achievement. What would be the main concern with such a study?
A) The time and expense needed with longitudinal studies B) Ethical considerations in participant selection and assignment C) The cohort effect D) The lack of basic research done in this area
Which of the following is a possible explanation for the dramatic increase in global remittance flows?
A) Globalization is making it easier for people to live and work in different countries. B) The cost of living has been increasingly on the rise in nations where most migrants are found. C) As migrants assimilate they simply keep more of the money they make. D) Global poverty is decreasing greatly.
If a European Union (EU) member state proposed a new law to ban the planting of genetically modified crops, which two EU legislative bodies would be required to approve, amend, or reject it?
What will be an ideal response?
Based on political scientists' predictive models, if voters are generally pleased with the incumbent party and its president, they will likely __________
a. vote according to their current view of Congress b. support a candidate from the opposing party c. elect not to vote, on the assumption the party candidate is assured of victory d. weigh the current state of global politics before deciding who to vote for e. support the party's candidate for president