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

Author Question: Which will NOT help control for extraneous variables? a) using a control group b) randomization ... (Read 81 times)

fnuegbu

  • Hero Member
  • *****
  • Posts: 539
on: Jul 13, 2018
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
Reply #1 on: Jul 13, 2018
Answer to Question 1

a

Answer to Question 2

a


fnuegbu

  • Member
  • Posts: 539
Reply 2 on: Jul 13, 2018
Thanks for the timely response, appreciate it

tkempin

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

A latex agglutination test for rheumatoid factor. A positive control at 1. A negative control at 2. ... A latex agglutination test for rheumatoid factor. A positive control at 1. A negative control at 2. ...
Control points in pyrimidine synthesis Control points in pyrimidine synthesis
Control of glycogen phosphorylase activity Control of glycogen phosphorylase activity
The major human endocrine glands and their central nervous system control centers The major human endocrine glands and their central nervous system control centers
Control of transcription of a flagellar protein operon by a riboswitch for the regulatory nucleotide Control of transcription of a flagellar protein operon by a riboswitch for the regulatory nucleotide
A simplified overview of the genes and regulatory units involved in the control of lactose metabolis A simplified overview of the genes and regulatory units involved in the control of lactose metabolis
Video: Acids and bases - definition

For a complete list of videos, visit our video library