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

Author Question: The internal validity of the pre-post designs is threatened by threats related to time. a. True ... (Read 33 times)

Haya94

  • Hero Member
  • *****
  • Posts: 558
The internal validity of the pre-post designs is threatened by threats related to time.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

When an effect occurs when the proposed cause occurs, but the effect does not occur when the proposed cause has not occurred, ____ has been demonstrated.
 
  a. temporal precedence
  b. covariation
 c. plausibility
 d. causality



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cascooper22

  • Sr. Member
  • ****
  • Posts: 312
Answer to Question 1

True

Answer to Question 2

b




Haya94

  • Member
  • Posts: 558
Reply 2 on: Jun 19, 2018
Thanks for the timely response, appreciate it


bimper21

  • Member
  • Posts: 309
Reply 3 on: Yesterday
Gracias!

 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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.

For a complete list of videos, visit our video library