« previous next »

Author Question: The use of a placebo is typically used to a) Rule out threats to internal validity b) Test for ... (Read 50 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?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

The term wasp is typically defined as any insect of the order Hymenoptera and suborder Apocrita that The term wasp is typically defined as any insect of the order Hymenoptera and suborder Apocrita that
Chargaff's Rule Chargaff's Rule
In one-male group species, extra males typically reside in all-male “bachelor” groups. These are Han In one-male group species, extra males typically reside in all-male “bachelor” groups. These are Han
Performing a PKU Test Performing a PKU Test
Internal rotation of the shoulders Internal rotation of the shoulders
Internal anatomy of the kidney Internal anatomy of the kidney
Video: Introduction to Breast Cancer

For a complete list of videos, visit our video library