« previous next »

Author Question: The use of a placebo is typically used to a) Rule out threats to internal validity b) Test for ... (Read 52 times)

cartlidgeashley

  • Hero Member
  • *****
  • Posts: 572
on: Jun 22, 2018
The use of a placebo is typically used to
 
  a) Rule out threats to internal validity
  b) Test for ethical issues
  c) Check for the impact of contact
  d) Enable everyone to eventually receive the treatment

Question 2

No-treatment and waiting-list control groups are primarily used to
 
  a) Reduce bias in participants' responses
  b) Reduce threats to external validity
  c) Increase construct validity
  d) Increase internal validity


durant1234

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jun 22, 2018
Answer to Question 1

Correct Answer: a

Answer to Question 2

Correct Answer: d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Guinea pig being injected to test a chemical for its carcinogenic properties Guinea pig being injected to test a chemical for its carcinogenic properties
(A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive (A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive
How to use L’Hospital’s Rule to find the limit of a function (Part 3) How to use L’Hospital’s Rule to find the limit of a function (Part 3)
Benedict's test results Benedict's test results
Placebo Effects and Viagra Placebo Effects and Viagra
Taste Test Taste Test
Video: Michaelis–Menten equation & Kinetic parameters

For a complete list of videos, visit our video library