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 18 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
YES! Correct, THANKS for helping me on my review

chjcharjto14

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

External View of the Right Eye External View of the Right Eye
The arrangement of the external eye muscles: (A) lateral and (B) anterior views. The arrangement of the external eye muscles: (A) lateral and (B) anterior views.
External nose, mouth, and neck. External nose, mouth, and neck.
Use an Automated External Defibrillator Use an Automated External Defibrillator
Typical ignition timing map developed from testing and used by the vehicle computer to provide the ... Typical ignition timing map developed from testing and used by the vehicle computer to provide the ...
Testing an oxygen sensor using a DMM set on DC volts. With the engine operating in closed loop, ... Testing an oxygen sensor using a DMM set on DC volts. With the engine operating in closed loop, ...
Video: Generalized life cycles for plants and animals Animation

For a complete list of videos, visit our video library