Research Method Calculations

Question 1

Standard deviation use

Answer 1

Measure how spread out data is
Larger sd = larger spread

Question 2

Spearman rank use

Answer 2

To covariables that are not experimentally manipulated to see if correlation exists
Must be ordinal > mean some some ppl higher score some lowe score

Question 3

Chi squared

Answer 3

For Norminal/ categorical data no superior see if relationship exist between them
Gender race helpfulness

Question 4

Man Whitney

Answer 4

Independent groups design
Ordinal

Question 5

Wilcoxons

Answer 5

Repeated measure
Ordinal

Question 6

Statement of significance for wil and man

Answer 6

Cal value equal or less than critical we reject null hypothesis

The l in wil matches the l in less than

Question 7

Statement of significance for chi and spearmans

Answer 7

If cal value is greater than or equal > critical value we reject null hypothesis

The R in spear matches the R un greater than