Author Question: If neither the experimenter nor the participant knows the group to which the participant has been ... (Read 100 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?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

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.

For a complete list of videos, visit our video library