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Author Question: Studies that demonstrate a relationship between one's current level of stress and future chances of ... (Read 57 times)

iveyjurea

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  • Posts: 555
on: Jun 20, 2018
Studies that demonstrate a relationship between one's current level of stress and future chances of heart disease would be concerned mostly with which goal of science?
 
  a. description
  b. prediction
  c. understanding
  d. application

Question 2

Your colleague is trying to determine the effectiveness of a new anti-drug advertisement. She
  asks one group of 60 people to complete a questionnaire on attitudes toward drug, then shows
  the advertisement to all 60 people.
 
  Afterward, she asks the participants to complete the survey
  again. If she then finds a difference score between the pre- and post-advertisement
  questionnaire scores and ranks the results, what test can she use to analyze the results?
  A) chi-square test for two levels of a single nominal variable
  B) Wilcoxon T Test
  C) Mann-Whitney U Test
  D) rank sums test
  E) Kruskal-Wallis H Test


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joneynes

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Reply #1 on: Jun 20, 2018
Answer to Question 1

b

Answer to Question 2

B


iveyjurea

  • Member
  • Posts: 555
Reply 2 on: Jun 20, 2018
Excellent

aliotak

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  • Posts: 326
Reply 3 on: Yesterday
Wow, this really help

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