according to this article, The Acute Relationships Between Affect, Physical Feeling States, and Physical Activity in Daily Life: A Review of Current Evidence Yue Liao1*, Eleanor T. Shonkoff2 and Genevieve F. Dunton, The following is true about the review paper: Group of answer choices Most studies did not report information on missing data Almost all of the studies used statistical approaches that were adequate for the type of data collected All of the studies were completed in Western countries Controlling for clustering is not important