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

Author Question: What is the primary goal for randomly assigning participants to treatment conditions in an ... (Read 139 times)

soccerdreamer_17

  • Hero Member
  • *****
  • Posts: 552
on: Jun 19, 2018
What is the primary goal for randomly assigning participants to treatment conditions in an experiment?
 
  a. Increase the ability to generalize the results.
 b. Avoid selection bias.
 c. Ensure that the individuals in the sample are representative of the individuals in the population.
  d. Minimize the likelihood that a participant characteristic becomes a confounding variable.

Question 2

Assume that the scores on a test of anxiety are normally distributed. Assume that the mean score is 6 and the standard error is 0.25 . About 68 of the scores will fall in the range ____.
 
  a. 5.75 to 6.25
  b. 5.5 to 6.5
 c. 5.25 to 6.75
  d. 5.0 to 7.0


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

smrtceo

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jun 19, 2018
Answer to Question 1

d

Answer to Question 2

a


soccerdreamer_17

  • Member
  • Posts: 552
Reply 2 on: Jun 19, 2018
Great answer, keep it coming :)

AmberC1996

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

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?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Primary production is constrained by the most limiting factor. Primary production is constrained by the most limiting factor.
Primary Action of Epinephrine in a Liver Cell Primary Action of Epinephrine in a Liver Cell
Where Professional Psychologists Work Primary employment settings for PhD recipients in psychology. Where Professional Psychologists Work Primary employment settings for PhD recipients in psychology.
The Workout (Primary Conditioning Period) The Workout (Primary Conditioning Period)
Lobes of the brain, with primary receiving and integrating centers of the human cerebral cortex. Lobes of the brain, with primary receiving and integrating centers of the human cerebral cortex.
Transcription Conditions for the lac Operon Transcription Conditions for the lac Operon
Video: Major Elements in Biological Molecules: Lipids

For a complete list of videos, visit our video library