As part of an "internet cat videos/photos" study. 1 one of the goals of the study was to determine how watching cat videos affects an individual's energy and emotional state. people were asked to share the link, and everyone who clicked the link and completed the survey was included in the sample. more than 6000 individuals completed the survey. overall, participants reported that after watching a cat video they had significantly more energy, fewer negative emotions, and more positive emotions. can we conclude from this study that watching cat videos increases energy and improves emotional state?

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?

Aresearch study is studying the effects of a new drug for osteoporosis alzheimer's disease (ad) for women above the age of 65 years. a group of individuals with osteoporosis is randomized into two groups. one group is treated conventionally, and the second group is treated with the new medication. assessments are made at 3, 6, 12, 36, and 48 months. the conventionally treated group is assessed for ad using a serum blood test, and the treatment group is assessed for ad using a pet radiotracer that binds to beta-amyloid plaques. in comparing these 2 trial arms, the authors of the study may encounter which type of bias? a. selection bias on the risk of developing b. measurement bias c. confounding bias d. recall bias e. lead-time bias

What is the common difference in the arithmetic sequence? 7, 14, 21, 28, 2 3 4 7