Author Question: A retained null hypothesis might legitimately be interpreted as a lack of relationship between ... (Read 47 times)

EY67 · **on:** Jun 20, 2018

A retained null hypothesis might legitimately be interpreted as a lack of relationship between variables when

a. one has studied a small population and all members have been included.
b. the researcher can show that the study is free of any internal validity problems.
c. the study had sufficient power to reject the null hypothesis with a relatively small effect size.
d. All of these are true.

Question 2

As a problem-solving tactic, what might one suggest to an engineer who is designing a bridge of a type never built before?

a. Design and build the bridge more slowly than is normally done, so as to have the time to solve problems as they arise.
b. Create a computer-generated model, to learn what problems may exist, before attempting the real thing.
c. Create a team of engineers and assign each a part of the problem.
d. Visualize the completed bridge in your mind.