Inferential Test Selector
Answer each question to identify the most appropriate inferential statistical test.
1.
What level of measurement is the data?
Categorical only
Example 1: Is there an association between type of drink purchased (coffee or tea) and season (winter or summer)?
Example 2: Were the distributions of book genres (true crime, romance, non-fiction, other) the same as last year?
Categorical + Continuous
Example: Is there a difference in weight (kilograms) based on type of diet (Diet A vs Diet B)?
Continuous only
Example: Is there a relationship between phone use (hours) and sleep (hours)?
2.
Question 2
3.
Is the research between or within subjects?
Between subjects
Different participants are in each group.
Example: Compare stress scores between a treatment group and a control group.
Within subjects
The same participants are measured in multiple conditions or at multiple time points.
Example: Compare stress scores before and after an intervention.
Inferential Test
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