Author Question: If neither the experimenter nor the participant knows the group to which the participant has been ... (Read 98 times)

KWilfred

  • Hero Member
  • *****
  • Posts: 570
If neither the experimenter nor the participant knows the group to which the participant has been assigned, the structure of the design is
 
  a. externally valid.
  b. double blind.
  c. a placebo study.
  d. free of extraneous variables.

Question 2

A list of people in a population is a (an)
 
  a. census
   b. sampling frame
  c. table of random numbers
  d. stratum
  e. cluster



daiying98

  • Sr. Member
  • ****
  • Posts: 354
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

For a complete list of videos, visit our video library