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 69 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?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Flower part number is a characteristic difference between monocots and eudicots Flower part number is a characteristic difference between monocots and eudicots
Acromegaly in one individual from a pair of identical twins. Acromegaly in one individual from a pair of identical twins.
Meningocele. (a) A meningocele is a herniation of the meninges, usually associated with the spinal c Meningocele. (a) A meningocele is a herniation of the meninges, usually associated with the spinal c
The averaging of an auditory evoked potential. Averaging increases the signal-to-noise ratio. The averaging of an auditory evoked potential. Averaging increases the signal-to-noise ratio.
Niche: An individual’s ecological role Niche: An individual’s ecological role
Right Lateral View of Vertebral Column Right Lateral View of Vertebral Column
Video: Homologous chromosomes during prophase I - Animation

For a complete list of videos, visit our video library