Health, 18.10.2019 23:20 queennajas
Astudy was conducted to evaluate the impact of taking a nutritional supplement on a person's reaction time. one hundred volunteers were placed into one of three groups according to their athletic ability: low, moderate, or high. participants in each group were randomly assigned to take either the nutritional supplement or a placebo for six weeks. at the end of the six weeks, participants were given a coordination task. the reaction time in completing the task was recorded for each participant. the study compared the reaction times between those taking the supplement and those taking the placebo within each athletic ability level. which of the following is the best description of the study?
(a) a randomized block design
(b) a completely randomized design
(c) a matched-pairs design
(d) a randomized observational study
(e) a stratified observational study
Answers: 2
Health, 21.06.2019 22:00, Svetakotok
Explain why you would or would not have a lasik surgery if you wore contacts or glasses. describe how public opinions related to this surgery have changed over the years. in your own words, explain this surgery as though you are explaining it to someone who has no knowledge of the procedure
Answers: 2
Health, 22.06.2019 13:30, mamaDee5919
Look at the graph about the barriers to working out. what would 20 percent of the population report as a barrier for working out? inability to devote thirty minutes a day to working out lack of interest with creating a detailed workout schedule not having enough money to pay for yearly gym membership living in a community that does not have parks or a gym facility
Answers: 3
Health, 22.06.2019 17:30, hannahpalmario
*psych* 1. discuss the major categories of abnormal behaviors as classified by the diagnostic and statistical manual (dsm) 2. identify the characteristics of the major categories of abnormal behavior.
Answers: 1
Astudy was conducted to evaluate the impact of taking a nutritional supplement on a person's reactio...
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