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

Author Question: Why would an experimenter use a pretest-posttest design rather than a between groups design to test ... (Read 69 times)

Pineappleeh

  • Hero Member
  • *****
  • Posts: 585
on: Jun 19, 2018
Why would an experimenter use a pretest-posttest design rather than a between groups design to test the benefits of a new therapy even though s/he knew that maturation effects could cause difficulties of interpretation? The reason is that _____.
 
  a. it would probably take too long to use a between groups design
  b. maturation would be even more of a problem in the between groups design
  c. the treatment group would probably tell the control group about their treatment
  d. ethically, it would not be good to withhold a beneficial therapy from a control group

Question 2

The effects of maturation can be reduced by _____.
 
  a. giving the pretest and posttests at different times of the year.
  b. giving the pretest and posttest at the same time of day
  c. keeping the conditions in the pretest and posttest as distinct as possible
  d. all of these


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fffftttt

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jun 19, 2018
Answer to Question 1

D
Ethical considerations sometimes supercede design considerations, especially when the research is intended to find a good way to help people.

Answer to Question 2

B
The conditions of the pretest and posttest should be as similar as possible.


Pineappleeh

  • Member
  • Posts: 585
Reply 2 on: Jun 19, 2018
YES! Correct, THANKS for helping me on my review

chereeb

  • Member
  • Posts: 326
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Weber Test Weber Test
Social Groups Social Groups
Rinne test. Air conduction Rinne test. Air conduction
Research Design in Clinical Psychology Research Design in Clinical Psychology
Functional groups Functional groups
If the following ions Ca2+, Cl-, Na+ and CO32- are placed in a test tube, the precipitate ... If the following ions Ca2+, Cl-, Na+ and CO32- are placed in a test tube, the precipitate ...
Video: HDL (high density lipoprotein)

For a complete list of videos, visit our video library