List the independent variable(s), dependent variable(s) for each scenario. What is the appropriate statistical test to analyze the result for each scenario (e.g. independent sample t test, ANOVA, paired sample t test, repeated measures)? (Multiple tests may be possible for some scenarios. You only need to name one test) (20 points)
Is there difference in the length of the passwords for email accounts, online financial accounts, and entertainment accounts between Americans and Australians?
Independent variable(s):
Dependent variable(s):
Statistical Method:
Is there difference in the text entry rate between left-handed users and right-handed users?
Independent variable(s):
Dependent variable(s):
Statistical Method:
Is there difference in the review ratings made by e-commerce customers in spring, summer, fall, and winter?
Independent variable(s):
Dependent variable(s):
Statistical Method:
Is there difference in the number of targets hit per minute when playing a game between novice players, intermediate players, and expert players?
Independent variable(s):
Dependent variable(s):
Statistical Method:
List all possible experimental designs (e.g. between group, within group, split plot) to examine the following research question. Illustrate each design through a table. Discuss the advantages and disadvantages of each design. (20 points)
“Is there difference in the target selection speed between computer mouse, trackball, and joystick when selecting static targets and moving targets?”
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