Part C: In experiments, we divide people intogroups and apply treatments to each group.How should we create these groups in the newstudy?O By grouping people by how much timethey spend in the daylightBy randomly assigning people to groupsBy grouping people according to theirBMISPart D: As we apply treatments to the groups,we manipulate the explanatory variable. Howshould this be done in the new study?O By assigning to each group a specificnumber of hours each day that they areto spend in the daylightBy giving each member a light sensor andobserving how much time each groupspends in the daylight each dayO By assigning the groups with higheraverage BMIs more time in the daylight sothat we can see if they lose weight 10:40In a previous practice assignment, you learnedabout a study in which volunteers (who were allaround 30 years of age) from the Chicago areawore light sensors to measure their exposure tosunshine. It was found that those whoexperienced more daylight had lower bodymass indexes (BMIS). The study wasobservational. It was not an experiment, soconclusions about cause and effect could notbe made.Let's redesign the observational studydescribed above into an experimental study.Part A: What is the explanatory variable for thenew study?AgeBody mass indexO Sunshine exposurePart B: What is the response variable in the newstudy?Body mass indexSunshine exposureAge

Observational study is a kind of study in which the results are made on the basis of mere…

study? By grouping people by how much time they spend in the daylight By randomly assigning people to groups By grouping people according to their BMIS Part D: As we apply treatments to the groups, we manipulate the explanatory variable. How should this be done in the new study? By assigning to each group a specific number of hours each day that they are to spend in the daylight

study? By grouping people by how much time they spend in the daylight By randomly assigning people to groups By grouping people according to their BMIS Part D: As we apply treatments to the groups, we manipulate the explanatory variable. How should this be done in the new study? By assigning to each group a specific number of hours each day that they are to spend in the daylight

Basic Clinical Laboratory Techniques 6E

6th Edition

ISBN:9781133893943

Author:ESTRIDGE

Publisher:ESTRIDGE

Chapter6: Basic Clinical Chemistry

Section6.4: Point-of-care Testing

Problem 11RQ

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