The researcher wishes to address the following hypothesis:

H1: There will be a difference in how invested someone is in their relationship based on their partner's income level (low, medium, high).

• low income (1 SD or more below average)
• moderate income (between -1 SD and +1SD of average)
• high income (1 SD or more above average)

-what is the independent variable?

-what is the dependent variable?

-which statistical test should be used to address this question? (either ANOVA, paired-sample t-test, one sample t-test, or two sample t-test)??

-what is the null hypothesis?