Biology

Biology, 18.07.2019 07:30, samanthablain192

Which study involves the collection of information supported by opinions? the study of the effect of playing in the rain on catching a cold the study of the effect of a full moon on human behavior the study of the effect of economic status on traveling the study of the effect

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Social Studies, 16.09.2019 18:10, taniyahreggienae

Which two of the following are not characteristics of surveys? a. data gathered during the course of a study b. the study involves one or more treatment groups and a control group c. statistical analysis is applied to the results of the study d. the study compress two or more treatments

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Mathematics, 18.09.2019 17:30, 8848

Which two of the following are not characteristics of surveys ? ? a. statistical analysis is applied to the results of the study b. the study involves on or more treatment groups and a control group c. the study compared two or more treatments d. data gathered during the course of the study

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Physics, 21.10.2019 13:20, Michael321

Which study involves the collection of information supported by opinions? the study of the effect of playing in the rain on catching a cold the study of the effect of a full moon on human behavior the study of the effect of economic status on traveling the study of the effect of economic status on eating out

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Mathematics, 30.10.2019 01:31, QueenNerdy889

The manufacturer of a new vitamin (vitamin x) decides to sponsor a study to determine the vitamin’s effectiveness in curing the common cold. five hundred college students having a cold were recruited from colleges in the san diego area and were paid to participate as subjects in this study. the subjects were each given two tablets of vitamin x a day. based on information provided by the subjects themselves, 457 of the 500 subjects were cured of their colds within 3 days. (the average number of days a cold lasts is 4.87 days.) as a result of this study, the manufacturer launched an advertising campaign based on the claim that “vitamin x is more than 90% effective in curing the common cold.” a: describe as specifically as you can the target population for the study b: describe the sampling frame for the study c: was the study a controlled study? explain d: list four possible causes other than the effectiveness of vitamin c itself that could have confounded the results of the study

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