The Solomon three-control-group research design helps to eliminate which of the following?
a.) the test effect
b.) any stimulus
c.) external factors
d.) sample error
C
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Robert Gordon argues that in the relationship between the federal government and local governments in educational policy,
a. there is a fundamental contradiction between setting broad national goals and giving communities freedom to achieve those goals. b. there is no fundamental contradiction between setting broad national goals and giving communities freedom to achieve those goals. c. the federal government should provide funding for schools, and the local governments should set the standards for the schools. d. the local governments should provide funding for schools, and the federal government should set the standards for the schools.
How many seats are on today's supreme court?
a. six b. seven c. five d. nine
Which scholar first theorized about the tragedy of the commons?
a. Garrett Hardin b. Alexander von Humboldt c. Eratosthenes d. Jeffrey Sachs
If we wished to use statistics to explore the possibility that early language acquisition is related to high Apgar scores at birth, we would most likely consult which descriptive statistic?
A) Mean B) Variance C) A correlation of the two variables D) A correlated t-test