Which of the following hypotheses assumes that there is no relationship between two variables?
a. research
b. null
c. alternate
d. secondary
e. substantive
B
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Modern capitalism in the United States today
a. is a highly competitive system with many competing and equal firms. b. has been largely taken over by government control. c. is characterized by centralization and concentration of private enterprises. d. is dominated economically by small business.
A woman's virginity
A) can neither be proven nor disproven. B) is determined by the presence of an intact hymen. C) most often prevails until she is married. D) All of the above
Which of the following characteristics of an investigation could affect the findings of a research project?
a. only the investigator's attitude b. only the investigator's questions c. only the presence of the investigator d. the investigator's attitude, questions, or presence
If research clearly established that "study time determines the grades that a student earns," grades are the _____ variable
a. dependent b. independent c. control d. intervening