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

Author Question: Which of the following researchers outlined threats to internal validity many years ago? a. ... (Read 77 times)

pepyto

  • Hero Member
  • *****
  • Posts: 547
Which of the following researchers outlined threats to internal validity many years ago?
 
  a. Shadish, Cook, and Campbell
  b. Campbell and Stanly
  c. Stanly and Cook
  d. Shadish and Stanly

Question 2

Student rankings in a class is an example of a(n) scale.
 
  a. ordinal
  b. nominal
  c. ratio
  d. interval



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

gasdhashg

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

B

Answer to Question 2

A




pepyto

  • Member
  • Posts: 547
Reply 2 on: Jul 13, 2018
YES! Correct, THANKS for helping me on my review


emsimon14

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Excellent

 

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

For a complete list of videos, visit our video library