This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The mean of a column of difference scores is equal to a. the ratio of the means of the individual ... (Read 72 times)

big1devin

  • Hero Member
  • *****
  • Posts: 583
on: Jun 20, 2018
The mean of a column of difference scores is equal to
 
  a. the ratio of the means of the individual columns.
  b. the difference between the means of the individual columns.
  c. the sample size.
  d. We can't tell without calculating it for a set of data.

Question 2

A difference score is obtained by
 
  a. subtracting the Before score from the After score.
  b. subtracting the After score from the Before score.
  c. dividing After scores by Before scores.
  d. either a or b, just so long as you are consistent


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

HandsomeMarc

  • Sr. Member
  • ****
  • Posts: 360
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

D


big1devin

  • Hero Member
  • *****
  • Posts: 583
Reply #2 on: Jun 20, 2018
Thank you!


HandsomeMarc

  • Sr. Member
  • ****
  • Posts: 360
Reply #3 on: Jun 20, 2018
Happy to help


« previous next »
 

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Acromegaly in one individual from a pair of identical twins. Acromegaly in one individual from a pair of identical twins.
Unique markings identify individual humpback whales. Unique markings identify individual humpback whales.
The underside of a male (top) and a female (bottom) individual of Pachygrapsus marmoratus, showing t The underside of a male (top) and a female (bottom) individual of Pachygrapsus marmoratus, showing t
(A) Lumbar puncture, also known as spinal tap; (B) section of the vertebral column showing the spina (A) Lumbar puncture, also known as spinal tap; (B) section of the vertebral column showing the spina
Major Findings of the High Scope Preschool Study High Scope participants showed better academic per Major Findings of the High Scope Preschool Study High Scope participants showed better academic per
Expected Distribution of IQ Scores Expected Distribution of IQ Scores
Video: Neurosynapse Animation

For a complete list of videos, visit our video library