Tag | Value |
---|---|
file | Inferential_Statistics_uu-Effect-size-815-en_uu-Effect-size-815-en |
name | uu-Effect-size-815-en |
section | Inferential Statistics/Effect size |
type | schoice |
solution | FALSE, FALSE, TRUE, FALSE |
Type | Case |
Language | English |
Level | Statistical Literacy |
A study of the relationship between location of deployment (Iraq or Afghanistan) and depression of soldiers primarily examines only whether soldiers became depressed, yes or no. A -test is performed and the variables were found, in a sample of 60 soldiers, not to be independent: , . What is the value of the effect size that should be reported here?
Location is a dichotomous variable (Iraq/Afghanistan), as is depression (yes/no). To calculate the effect size in this case, the phi coefficient can be calculated: