Researchers developed the following question to guide their study:

Researchers developed the following question to guide their study: "What are the relationships among the variables of perceived stress, sleep quality, loneliness, and self-esteem among obese young adult women?" The variables were measured with multi-item Likert scales, and the data were considered at the interval level; data were collected in the sample of obese women. What inferential statistical technique would these researchers use to analyze their study data? Provide a rationale for your answer