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

Author Question: A researcher conducts a power analysis for a study in which there was no difference between control ... (Read 48 times)

cherise1989

  • Hero Member
  • *****
  • Posts: 555
A researcher conducts a power analysis for a study in which there was no difference between control and experimental group scores and identifies a power level of 0.75 and a level of significance of 0.05. What will this researcher do?
 
  a. Alter measurement methods to detect larger changes in scores
  b. Conclude that the null hypothesis is true
  c. Consider repeating the study using a larger sample
  d. Lower the level of significance to 0.01.

Question 2

The concept of degrees of freedom refers to
 
  a. the level of significance for a study.
  b. the standard deviation from the mean among data.
  c. the variability of a given score based on other scores.
  d. whether statistical analysis is one- or two-tailed.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

flexer1n1

  • Sr. Member
  • ****
  • Posts: 373
Answer to Question 1

ANS: C

Answer to Question 2

ANS: C




cherise1989

  • Member
  • Posts: 555
Reply 2 on: Jul 8, 2018
Gracias!


alvinum

  • Member
  • Posts: 317
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

For a complete list of videos, visit our video library