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

Author Question: Which will NOT help control for extraneous variables? a) using a control group b) randomization ... (Read 80 times)

fnuegbu

  • Hero Member
  • *****
  • Posts: 539
Which will NOT help control for extraneous variables?
 
  a) using a control group
  b) randomization
  c) matching of subjects
  d) using homogenous groups

Question 2

What is the most serious threat to internal validity in nonequivalent control group design?
 
  a) selection
  b) maturation
  c) mortality
  d) testing



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

prumorgan

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

a

Answer to Question 2

a




fnuegbu

  • Member
  • Posts: 539
Reply 2 on: Jul 13, 2018
:D TYSM


AngeliqueG

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

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.

For a complete list of videos, visit our video library