Flashcards

Requirements for tests

kiren bains Inglês 10 flashcards

Flashcards do conjunto (10)

1Paired t-test-Parametric
-Within
-Scale, normal distribution
-Purpose is to test if two means within the same group of pp's are significantly different.
2Independent t-test-Parametric
-Between
-Scale, normal distribution, equal variances.
-Purpose is to test if two means between different groups of pp's are significantly different.
3Pearson Correlation-Parametric
-Within
-Scale, normal distribution
-Used to test if the scores on two separate variables vary proportionately (+ve, -ve).
4Wilcoxon-Non Parametric
-Within
-Ordinal (skewed) data
-used to test if ranks in one condition are significantly larger or smaller than the ranks in the other condition.
5Mann Whitney-Non Parametric
-Between
-Ordinal data
-To test if ranks in one condition are significantly larger or smaller than the ranks in the other condition.
6Spearman Correlation-Non parametric
-Within
-Ordinal data
-Purpose is to test if the scores on two separate variables vary proportionately.
7Chi SquareNon parametric
Between
Nominal data
-to test if the no. of pp's in one category is significantly different from the no. in another.
8McNemarNon parametric
Between
nominal data
-To test if the no. of pp's in one category is significantly different from the no. in another.
9Type 1 ErrorThe null is rejected when it should be retained.
Conclude that there IS a significant difference when there is NOT.
10Type 2 ErrorNull is retained when it should be rejected.
We can conclude that there is NO significant effect when there IS.

Descrição: FlashCards sobre Requirements for tests, criado por kiren bains em 02-05-2016.
Criado por: kiren bains · mai 2016
Atualizado: 5 mai 2016
Visualizações: 3
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