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

Author Question: Under what conditions is history a potential confounding factor? A) When the pretest measures are ... (Read 34 times)

craiczarry

  • Hero Member
  • *****
  • Posts: 527
on: Aug 4, 2018
Under what conditions is history a potential confounding factor?
 
  A) When the pretest measures are at an unusually high level.
  B) When a disproportionate number of participants are lost from one condition.
  C) When participant selection has been biased.
  D) When the study takes a fairly long time to complete.

Question 2

History is a potential confounding factor in the interrupted time-series design because
 
  A) the time-series design takes a fairly long period of time.
  B) all of the participants are exposed to the same conditions.
  C) the participants are all considered one group despite individual differences in experience.
  D) the momentum of multiple measures is disrupted by the manipulation.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nathang24

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Aug 4, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A


craiczarry

  • Member
  • Posts: 527
Reply 2 on: Aug 4, 2018
Gracias!

bassamabas

  • Member
  • Posts: 294
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

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?

The human body produces and destroys 15 million blood cells every second.

The black-capped chickadee is a permanent resident in biomes with harsh winter conditions. The black-capped chickadee is a permanent resident in biomes with harsh winter conditions.
Life-history cube, a classification of fish, mammals, and altricial birds based on three dimensionle Life-history cube, a classification of fish, mammals, and altricial birds based on three dimensionle
History Vector Icon History Vector Icon
Hill plots of oxygen binding for myoglobin and hemoglobin under physiological conditions Hill plots of oxygen binding for myoglobin and hemoglobin under physiological conditions
Action Potential in a Ventricular Fiber Action Potential in a Ventricular Fiber
Predicted polypeptide sequences translated from potential ORFs in the human TUBA3C gene Predicted polypeptide sequences translated from potential ORFs in the human TUBA3C gene
Video: Transmission Across a Synapse

For a complete list of videos, visit our video library