Which Statement Is a Research Purpose for a Correlational Study

question 24

Multiple Choice

Which statement is a research purpose for a correlational study?

• A) "This study will compare the effects of an oral antidiabetic medication to effects of a placebo on glucose control in groups of randomly assigned subjects."
• B) "This study will examine whether pre-appointment telephone reminders increase show rate among patients in an ambulatory well-patient clinic."
• C) "This study will use direct observation to identify methods parents use to discipline children in public places."
• D) "This study will use questionnaires and school transcripts to examine the relationship of dietary habits to grades among school-age children."