All steps necessary to perform a One-sample t-test, Independent t-test, Dependent t-test, One-way ANOVA, Factorial ANOVA, Correlation, Regression, Chi-square. You can use this handbook as a guideline during the final exam, which I passed with a 9 :). This document also elaborates on important rules...
,Drawing conclusions.........................................................................................................................46
Definitions........................................................................................................................................47
Remember that a complete answer contains several different elements:
Rephrasing the H
Indicating the test
Means, SD’s
When scale is involved: Cronbach alpha, + information about the
questions
Assumptions (when violated)
The test
Effect size
Conclusion
, Some important things
WATCH OUT: When using bootstrap or split file, always remove it afterwards!
Measurement levels
SPSS
Read histogram
Simple histogram shows frequencies of scores for a single variable.
Skewness and kurtosis
Negatively skewed. Positively skewed. Skewed
Skewed to the left: the tale to the right: the tails points
pints to the left. to the right.
Negative kurtosis. Positive kurtosis.
Platykurtic distribution: Leptokurtic distribution:
Flat (with no tales). High peak.
Read boxplot
- Skewness and kurtosis: When the sides are not symmetrical, it is skewed.
- Intervals: When confidence intervals of different samples overlap, it means
they can come from the same population, means can be the same.
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