If neither the experimenter nor the participant knows the group to which the participant has been ...

Author Question: If neither the experimenter nor the participant knows the group to which the participant has been ... (Read 73 times)

KWilfred

Hero Member
Posts: 570

on: Jun 20, 2018

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

Reply #1 on: Jun 20, 2018

Answer to Question 1

B

Answer to Question 2

B

Need homework help now?

Ask unlimited questions for free

Ask a Question

KWilfred

Hero Member
Posts: 570

Reply #2 on: Jun 20, 2018

Thank you!

daiying98

Sr. Member
Posts: 354

Reply #3 on: Jun 20, 2018

Happy to help

« previous next »

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.