Read interpret statistical output
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10 Terms
What does a mean say
The average score for a group
What does a standard deviation tell you
How spread out the scores are
Larger SD= more variation
What does “does this analysis make sense” mean
Check if the test matches the measurement levels
Ex. t-test needs interval DV and 2 groups
When does a chi-square test make sense
Nominal IV and Nominal DV
What does a p value represent
Probability the result happened by chance if null hypothesis were true
What does a large SD mean?
Scores are very spread out; group is less consistent
What does a small SD mean?
Scores are clustered; group is more consistent
What does “row %” in a cross‑tab tell you?
How each group is distributed across categories
What does “column %” in a cross‑tab tell you?
How each category is made up of different groups
What does “Is this result meaningful?” refer to?
Effect size, not significance.
