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Summary Case 3 Sleeping - Data Analysis Psychology
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2020! Step-by-step summary including output of Case 3: Sleeping from the course Data Analysis (Psychology, second year, Radboud University)
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CASE 3: SLEEPINGEline Meuleman
,Dependent variable: sleep problems
- Var: isi1 to isi7
Independent variable 1: alcohol consumption
- Determined with alcfreq and alcint
Independent variable 2: working memory problems
- Var: LETTER 1 to LETTER 10
Exercise 1a
Way 1:
Compute new_score = (x + y + z)/3. Execute.
Way 2
Compute new_score = mean (x, y, z). Execute.
The difference is that with sleeppr_wrong (the first) no average is given when
one variable (isi1 tm isi7) is not filled in. By using "mean" you do get an average.
Exercise 1b
Needed: LETTER1 t/m LETTER10 (in dutch: BRIEF1 t/m BRIEF10)
, Exercise 1c
Analyze Descriptive statistics Descriptives
- Variables: slaappr_good and wm
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