This topic contains a solution. Click here to go to the answer

Author Question: In research studies, the term effect size refers to a. how much each treated and untreated person ... (Read 22 times)

biggirl4568

  • Hero Member
  • *****
  • Posts: 551
In research studies, the term effect size refers to
 
  a. how much each treated and untreated person in the study changes.
 b. the power of the statistical tests that are used to detect the impact of the independent variable.
  c. how many subjects are included in a particular study.
 d. the degree of external validity that the study has.

Question 2

A researcher studying the effect of a dietary supplement on sleep finds that research participants who take the supplement sleep an average of 7 hours and 25 minutes per night, while participants who were given a placebo pill with no active ingredients in it sleep for an average of 7 hours and 20 minutes. These findings are likely
 
  a. statistically significant.
 b. clinically insignificant.
 c. Statistically insignificant.
  d. clinically significant.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

spencer.martell

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

a

Answer to Question 2

b




biggirl4568

  • Member
  • Posts: 551
Reply 2 on: Jun 22, 2018
Excellent


laurnthompson

  • Member
  • Posts: 334
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

For a complete list of videos, visit our video library