Choosing A Statistical Test

Question 1

What 3 things do u need to look for when choosing a stat test?

Answer 1

1. Looking for a difference or association?
2. Which experimental design is it?
3. What lom is data?

Question 2

Related design

Answer 2

Repeated measures/matched

Question 3

Unrelated design

Answer 3

Independent groups

Question 4

Decision 1 what r u looking for?

Answer 4

Differences / correlation

Question 5

Decision 2 - what experimental design was used?

Answer 5

Unrelated design / related design

Question 6

Decision 3 - what lom does the data represent?

Answer 6

Nominal - chi-squared - sign test -
Ordinal - man-Whitney - wilcoxon - spearman’s rho
Interval - unrelated t test - related t test - Pearson rho

Question 7

Acronym to memorize table

Answer 7

Simon cowell wants more singers reciebeing unanimous praise

Question 8

How to find crv that u need to use?

Answer 8

Determined by weather u r carrying out one or two tailed test
Determined by sig level p
You’ll need to know no of participants

Question 9

Rule of ‘r’

Answer 9

Wheather calculated value should be lower than crv to be sig or other way