Use table below to answer the following: Study summary De…
Use table below to answer the following: Study summary Details Research question Are caffeine and sleep quality related? Variables measured Daily caffeine intake (mg); Sleep quality (1–10 rating) Finding r = −.35, 95% CI , p < .001 Sample n = 220 adults recruited from one university a. What type of claim does this support? b. Are the variables categorical or quantitative? c. Interpret the association direction (positive/negative/zero). d. Name two validity questions you would ask next (choose the two most relevant and write them).