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

Author Question: Which of the following researchers outlined threats to internal validity many years ago? a. ... (Read 57 times)

pepyto

  • Hero Member
  • *****
  • Posts: 547
on: Jul 13, 2018
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
Reply #1 on: Jul 13, 2018
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

amandalm

  • Member
  • Posts: 306
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

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.

Retrograde pyelogram. A contrast medium is injected into the ureter using a cystoscope, and the X-ra Retrograde pyelogram. A contrast medium is injected into the ureter using a cystoscope, and the X-ra
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
Internal and External Loci of Control Internal and External Loci of Control
Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body
Researchers and Research Spending, 2009 Researchers and Research Spending, 2009
Internal structures of the female pelvis for landmarks Internal structures of the female pelvis for landmarks
Video: Atrophy

For a complete list of videos, visit our video library