« previous next »

Author Question: If you have at least ________ participants per group in a multiple-group experiment, random ... (Read 82 times)

bclement10

  • Hero Member
  • *****
  • Posts: 560
on: Jun 20, 2018
If you have at least ________ participants per group in a multiple-group experiment, random
  assignment should create equal groups.
 
  A) 5 B) 20 C) 10 D) 30

Question 2

Which of the following is not a threat to internal validity?
 
  A) maturation
  B) selection
  C) mortality
  D) history
  E) random selection


canderson530

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

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?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

An example of an experiment that supported Beadle and Tatum's one gene An example of an experiment that supported Beadle and Tatum's one gene
Withdrawing Medication from Single-Dose or Multiple-Dose Vials Withdrawing Medication from Single-Dose or Multiple-Dose Vials
Discrete random variables- Probability Distribution Function Discrete random variables- Probability Distribution Function
Multiple choice bio Multiple choice bio
How the multiple-factor hypothesis accounts for the 1:4:6:4:1 phenotypic ratio How the multiple-factor hypothesis accounts for the 1:4:6:4:1 phenotypic ratio
Video: Membrane Protein and Facilitated Transport (Passive Vs Active)

For a complete list of videos, visit our video library