Author Question: In order to establish an unambiguous cause-and-effect relationship between two variables, it is ... (Read 53 times)

jeatrice · **on:** Jun 19, 2018

In order to establish an unambiguous cause-and-effect relationship between two variables, it is necessary to eliminate the possible influence of extraneous variables.

a. True
b. False
Indicate whether the statement is true or false

Question 2

In _______________, the sampling is being done for the most frequent or typical case.

Fill in the blank(s) with correct word