Which type of designs include more than one independent variable?
a) exploring designs
b) factorial designs
c) confounding designs
d) extraneous designs
Question 2
One way in which experimenter expectancy effects can be manifested is in errors in recording data. What is the best way to control this?
a. do not use a dependent variable that has to be measured numerically
b. do not use a dependent variable that has to be measured
c. automate the data collection as much as possible
d. use a panel of students to make the observations of the dependent variable
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