Exam 1: Multivariate Statistics

A researcher wants to examine the mean difference between treatment and control participants on time on task, number of behavioral referrals, and sense of wellness. Which one of the following procedures is recommended given this scenario?

A researcher wants to apply a person-level approach to group participants based on observed variables. Which one of the following procedures is recommended given this scenario?

A researcher wants to classify variables into common groups based on theoretical evidence. Which one of the following procedures is recommended given this scenario?

A researcher has conducted a study with participants self-selecting into groups. However, they are interested in making causal inference from this data. Which one of the following procedures is recommended given this scenario?

A researcher wants to apply a variable-level approach to group variables based on participants. Which one of the following procedures is recommended given this scenario?

A researcher was not able to randomly assign cases to groups, but is interested in matching cases even though they self-selected to groups. Which one of the following procedures is recommended given this scenario?

A researcher wishes to predict group classification based on pretreatment covariates. Which one of the following procedures is recommended given this scenario?

A researcher wants to predict years of employment based on age and number of college courses completed. Which one of the following procedures is recommended given this scenario?

A researcher has measured college aptitude, a continuous measure, on students within all high schools in the state and wants to examine the relationship between GPA and college aptitude. Which one of the following procedures is recommended given this scenario?

A researcher wants to predict whether or not someone will vote at the polls versus mailing in their ballot. Which one of the following procedures is recommended given this scenario?