Chapter 17: Nonparamatric Tests - Wilcoxin Matched Pairs Signed Rank Flashcards Preview

Statistics > Chapter 17: Nonparamatric Tests - Wilcoxin Matched Pairs Signed Rank > Flashcards

Flashcards in Chapter 17: Nonparamatric Tests - Wilcoxin Matched Pairs Signed Rank Deck (5):
1

The wilcoxin matched-pairs signed ranks test is used when data is at least ____ scale.

ordinal

2

This test is relatively_____. Such that ___ and ____ of scores are taken into consideration.

- powerful
- magnitude and direction

3

The wilcoxin matched-pairs signed ranks test is used in place of the __ test for ____ when there is an extreme violation of at least one of the underlying assumptions of the __ test. ex?

- t-test
- correlated groups (paired t-test)
-- t-test
- ex: distribution is not normal or homogeneity of variance assumption is not met.

4

The wilcoxin matched-pairs signed ranks test is more/less powerful than correlated groups t-test?

less

5

How is this done in SPSS?

1. data is entered in as if a correlated t-test....
(one group and a second group----before and after)----separate columns
2.Analysis--->nonparametric-->legacy---> 2-related samples
L>group 1 and 2 are dragged over to the pair box as one pair.
L> check the wilcoxin box