Author Question: The two most important techniques for eliminating potential rival hypotheses are a. random ... (Read 103 times)

joe · **on:** Jul 13, 2018

The two most important techniques for eliminating potential rival hypotheses are

a. random assignment of participants and use of control groups.
b. random assignment of participants and use of pretests.
c. use of pretests and control groups.
d. random selection of participants and random assignment of participants.

Question 2

Suppose you conduct an experiment and find that the probability of obtaining your results by chance alone was 3 (.03). Your decision, if your research is like most psychological research, should be to

a. reject the null hypothesis.
b. accept the null hypothesis.
c. reject the alternative hypothesis.
d. use a different dependent variable.