Question

The group that does not receive the intervention is known as the experimental group.

True

False

John and Mary are both taking Warfarin to lower their risk of emboli forming. They both agree to participate in a clinical trial for a new medication. John stays on Warfarin while Mary is in the group to try the new medication.

Mary is in the control group.

True

False

John and Martin are both participating in a trial for a new liquor that does not get you drunk. They are each given a glass of clear liquid. They are both told they will be tasting this new liquor, but in secretly, John's glass is filled with flavored water, while Martin's glass is filled with flavored vodka. John is in the group getting a placebo.

True

False

Experimental research can only be conducted in a science lab.

True

False

The study has seven participants who will take a test on a new computer program, then go through training for using the computer program, and then taking the test again.

This is an example of a quasi-experimental design.

True

False

There are two groups of patients with known hypertension. The nurse checks and documents all individual's blood pressure.

Then, one group receives a new medication while the other group receives nothing. The nurse checks and documents all individual's blood pressure, and these readings are compared.

This is a non-equivalent comparison group pretest-post-test.

True

False

The principal disadvantage of the experimental approach has to do with its limitations in external validity because the experiment is conducted in an artificial setting.

True

False

Randomization is not an essential element of experimental research.

True

False

The single most important difference between experimental and quasi-experimental designs is the lack of intervention.

True

False

The tendency for extreme subjects to move closer to the average with the passage of time is known as maturation.

True

False

Answer 1

1. Control group does not receive any intervention or treatment. The given statement is false.

2. Mary is in the experimental group as she is in the group to try the new medication. The given statement is false.

3. John's glass is filled with flavoured water. He is the group getting a placebo. The given statement is true.

4. The given statement is false. A scientific experiment can be conducted anywhere an intervention can be done and observed.