A researcher gathering his/her own data needs to convert raw data into a computer friendly format or engage in data coding.
Indicate whether the statement is true or false
Why is it important for experiments to be externally valid?
a. so that we know that the results of our studies have significance beyond the situation in which they were conducted.
b. so that we know which variables influence which other variables.
c. so that others do not have to duplicate our work later.
d. so that we can control extraneous variables
When looking at information on the web for your literature review, which of the following should NOT be important to validate the information?
a. author credentials and email address
b. peer-reviewed references
c. author's opinions
d. preferred domains such as .edu, .gov, or .org
Mr. Marsh discovers that the measure of association is zero in his data relationship. What does this mean?
A) He should stop the study right away and refuse to publish.
B) It means that there is statistical independence. The variables do not covary.
C) He has made a mistake in his data collection.
D) It means that there is strong covariation.
External validity of an experiment refers to the extent to which
a. the operational definitions of variables really do represent the concepts they are meant to capture.
b. we can be confident that the experiment is testing the hypothesis we think it is testing.
c. we can make causative statements about the relationship between the dependent and independent variables.
d. the results of an experiment can be generalized across people, settings, times, treatments, and outcomes.
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