16. In which of the following type of studies would you be most concerned with lurking...
16. In which of the following type of studies would you be most concerned with lurking variables?
| a. |
Non-Comparative Observational Study |
|
| b. |
Comparative Observational Study with Adjustments for Confounding Variables |
|
| c. |
Randomized Comparative Experiment |
|
| d. |
None of the above |
Homework Answers
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16. In which of the following type of studies would you be most
concerned with lurking...
Question 15 of 22 > A Los Angeles Times article reported that the artery walls of...
Question 15 of 22 > A Los Angeles Times article reported that the artery walls of people living within 100 meters of a highway thicken more than twice as fast as the average person's. Researchers used ultrasound to measure the carotid artery wall thickness of 1483 people living near freeways in the Los Angeles area. The artery wall thickness among those living within 100 meters of a highway increased by 5.5 micrometers (roughly 1/20th the thickness of a human hair)...
2. Does TV make kids want to buy toys? Watching television has been linked to many problems in children, including obesity. Could it also be linked to asking for toys? How do we make children st...
2. Does TV make kids want to buy toys? Watching television has been linked to many problems in children, including obesity. Could it also be linked to asking for toys? How do we make children stop asking for toys? Could it be just turning off the television? A recent study taught 88 third- and fourth-graders a series of 18 mini- lessons in school over a six-month period, aimed at helping them learn to watch television within a budgeted amount of...
l) Identify which type of sampling is used. A pollster uses a computer to generate 500...
l) Identify which type of sampling is used. A pollster uses a computer to generate 500 random I numbers, then interviews the voters corresponding to those numbers. A) Convenience B) Systematic C) Cluster D) Random E) Stratified 2) Determine whether the given value is a statistic or a parameter. After taking the first exam, 2) 15 of the students dropped the class. A) Statistic B) Parameter 3) Determine which of the four levels of measurement is most appropriate. Students' grades...
Question 2 Which of the following statements is true? Check all that apply. Select all that...
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h) The healch of Orthodos Jews in Bedford, Stxyvesant の78 o Which type ome of seudy...
h) The healch of Orthodos Jews in Bedford, Stxyvesant の78 o Which type ome of seudy in nedical rescarch establäshes a cause and effect relationship? b) Epidemiological studies e) Surveys d) Clinical or experimental 1 Which type ee of form arh sty s interviews,surveys and measurements of large groups of people? a) Basic medical research b) Clinical studies e) Randomized doubles blend studies 12. Which statement is true about medical research studies? a) Correlational studies establish casual effects 6) Individual...
Which two of the following statement(s) are characteristics of quantitative studies? Quantitative studies… a. Examine text...
Which two of the following statement(s) are characteristics of quantitative studies? Quantitative studies… a. Examine text data for themes b. Findings are intended to be generalizable c. Explores concepts or phenomenon from the perspective of the study participant d. Test statistical relationships between concepts e. None of the above
The nurse would be be most concerned about ototoxicity for which of the following patients? A)...
The nurse would be be most concerned about ototoxicity for which of the following patients? A) A 70-year-old patient receiving clindamycin B) A 51-year-old patient receiving ciprofloxacin C) A 29-year-old patient receiving gentamicin D) A 37-years-old patient receiving cefazolin
Question 16 (2.5 points) Which of the following is the most likely bias in a randomized...
Question 16 (2.5 points) Which of the following is the most likely bias in a randomized experimental study Recall bias Selection bias Hawthorn effect Ecologic fallacy
Need help! STATS Part b: *Part B is incorrect. You wonder whether green tea lowers cholesterol....
Need help! STATS Part b: *Part B is incorrect.
You wonder whether green tea lowers cholesterol. Complete parts (a) through (h) below research the claim that green tea lowers LDL (so-called bad) cholesterol, you ask a random sample of individuals to divulge whether they are regular green tea users or not. You also obtain their LDL cholesterol levels. Finally, you compare the LDL cholesterol levels a) the green tea drinkers t those of the non-green tea drinkers. Explain why this...
0201 7) A nutritionist wants to conduct a study to validate the efficacy of an herb as an aid in weight loss She randomly assigns half of a group of overweight persons to a treatment group who...
0201 7) A nutritionist wants to conduct a study to validate the efficacy of an herb as an aid in weight loss She randomly assigns half of a group of overweight persons to a treatment group who are giver the herb with instructions as to use and a planned diet for six weeks. The other half of the group i given the same diet without the herb. Participants are aware as to which group they belong. A nurse at the...
Question 15 of 22 > A Los Angeles Times article reported that the artery walls of people living within 100 meters of a highway thicken more than twice as fast as the average person's. Researchers used ultrasound to measure the carotid artery wall thickness of 1483 people living near freeways in the Los Angeles area. The artery wall thickness among those living within 100 meters of a highway increased by 5.5 micrometers (roughly 1/20th the thickness of a human hair)...
2. Does TV make kids want to buy toys? Watching television has been linked to many problems in children, including obesity. Could it also be linked to asking for toys? How do we make children stop asking for toys? Could it be just turning off the television? A recent study taught 88 third- and fourth-graders a series of 18 mini- lessons in school over a six-month period, aimed at helping them learn to watch television within a budgeted amount of...
l) Identify which type of sampling is used. A pollster uses a computer to generate 500 random I numbers, then interviews the voters corresponding to those numbers. A) Convenience B) Systematic C) Cluster D) Random E) Stratified 2) Determine whether the given value is a statistic or a parameter. After taking the first exam, 2) 15 of the students dropped the class. A) Statistic B) Parameter 3) Determine which of the four levels of measurement is most appropriate. Students' grades...
Question 2 Which of the following statements is true? Check all that apply. Select all that apply. 10 points A. We can use results from an observational study to test a claim about a population. B. We can use results from an observational study to establish an association between two variables. C. O When an observational study has a large sample and follows people for many years, we can use the results to establish a cause-and-effect relationship between two variables....
h) The healch of Orthodos Jews in Bedford, Stxyvesant の78 o Which type ome of seudy in nedical rescarch establäshes a cause and effect relationship? b) Epidemiological studies e) Surveys d) Clinical or experimental 1 Which type ee of form arh sty s interviews,surveys and measurements of large groups of people? a) Basic medical research b) Clinical studies e) Randomized doubles blend studies 12. Which statement is true about medical research studies? a) Correlational studies establish casual effects 6) Individual...
Question 16 (2.5 points) Which of the following is the most likely bias in a randomized experimental study Recall bias Selection bias Hawthorn effect Ecologic fallacy
Need help! STATS Part b: *Part B is incorrect.
You wonder whether green tea lowers cholesterol. Complete parts (a) through (h) below research the claim that green tea lowers LDL (so-called bad) cholesterol, you ask a random sample of individuals to divulge whether they are regular green tea users or not. You also obtain their LDL cholesterol levels. Finally, you compare the LDL cholesterol levels a) the green tea drinkers t those of the non-green tea drinkers. Explain why this...
0201 7) A nutritionist wants to conduct a study to validate the efficacy of an herb as an aid in weight loss She randomly assigns half of a group of overweight persons to a treatment group who are giver the herb with instructions as to use and a planned diet for six weeks. The other half of the group i given the same diet without the herb. Participants are aware as to which group they belong. A nurse at the...
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