Lecture 16 Flashcards
What is confirmatory research used for?
Used to refine a theory
What kind of research is exploratory?
Inductive / bottom up
Observation -> observe pattern -> tentative hypothesis -> possible theory
What is the effect of outliers?
- Skew means
- Distort variance / standard deviations
What does a smaller than alpha level p value mean on ANOVA?
That the difference in means is not due to chance -> reject the nullH
What is the effect of more stats tests on data?
Increases the likelihood of making an error about findings
->which is why we use ANOVA
What does F represent?
How much more is score variation due to manipulation vs variation due to uncontrolled variables. It is a ratio
What does the alpha / beta represent?
How conformable we are with being wrong