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 49 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
Wow, this really help

amandalm

  • Member
  • Posts: 306
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Map of the Moon by Johannes Hevelius from his Selenographia (1647), the first map to include the lib Map of the Moon by Johannes Hevelius from his Selenographia (1647), the first map to include the lib
Rat's external anatomy Rat's external anatomy
The tools needed to diagnose a circuit containing a relay include a digital multimeter (DMM), a ... The tools needed to diagnose a circuit containing a relay include a digital multimeter (DMM), a ...
This is what was found when removing an air filter from a vehicle that had a lack-of-power concern. ... This is what was found when removing an air filter from a vehicle that had a lack-of-power concern. ...
Testing sensory function of the trigeminal nerve Testing sensory function of the trigeminal nerve
Testing muscle strength - Masseter muscles Testing muscle strength - Masseter muscles
Video: Cleavage and Implantation Animation

For a complete list of videos, visit our video library