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

Author Question: Threats to external validity a) Include testing and instrumentation b) Are of concern after the ... (Read 56 times)

abc

  • Hero Member
  • *****
  • Posts: 543
on: Jul 31, 2018
Threats to external validity
 
  a) Include testing and instrumentation
  b) Are of concern after the research is conducted
  c) Are related to the artificiality of the experimental condition
  d) None of the above is true regarding external validity

Question 2

A threat to internal validity that occurs when a pretest effects future performance on a posttest is known as
 
  a) Maturation
  b) Instrumentation
  c) History
  d) Testing


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ong527

  • Sr. Member
  • ****
  • Posts: 285
Reply #1 on: Jul 31, 2018
Answer to Question 1

c

Answer to Question 2

d


abc

  • Member
  • Posts: 543
Reply 2 on: Jul 31, 2018
Thanks for the timely response, appreciate it

lkanara2

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Testing the reducing atmosphere hypothesis for the origin of life - the Miller and Urey experiment. Testing the reducing atmosphere hypothesis for the origin of life - the Miller and Urey experiment.
Testing the effects of long-term fertilizing on inter-actions between mycorrhizal fungi and plants o Testing the effects of long-term fertilizing on inter-actions between mycorrhizal fungi and plants o
Remedies for insomnia include increased physical exercise and time spent outdoors. Remedies for insomnia include increased physical exercise and time spent outdoors.
External anatomy of the heart External anatomy of the heart
The parts of a prescription include the superscription, inscription, sig., and subscription. The parts of a prescription include the superscription, inscription, sig., and subscription.
Atmospheric properties include temperature, pressure, and humidity Atmospheric properties include temperature, pressure, and humidity
Video: Hydrogen bonds vs. Ionic bond

For a complete list of videos, visit our video library