1|Page | © copyright 2024/2025 | Grade A+
COM 200 Questions and Correct
Answers (100% Pass)
Other than raw numbers, the only numbers researchers can get from nominal
variables are percentages.
✓ true
If a measure has "face validity," it means the questions appear to measure
what they're supposed to measure.
✓ true
The secret to high intercoder or observer reliability is
✓ clear definitions and classifications of behaviors.
In test-retest, a test is given to a group of people and then repeated, with the
same people, a week or two later.
✓ true
Interval measures assume an equal distance between points on a scale.
✓ true
Master01 | November, 2024/2025 | Latest update
, 1|Page | © copyright 2024/2025 | Grade A+
Analyzing a sample is done to
✓ Gain insight into a larger population that the sample is presumed to
represented
To be satisfied that X does cause Y, which of the following must be
established?
✓ all of the above
The larger the standard deviation of a variable, the wider its range of scores
on either side of the mean.
✓ true
We can reduce or eliminate the influence of potentially relevant variables in
an experiment by
✓ Randomly assigning participants to each experimental group
Generally, larger sample sizes reduce sampling error
✓ true
Which of the following sampling methods is a probability sampling method?
Master01 | November, 2024/2025 | Latest update
COM 200 Questions and Correct
Answers (100% Pass)
Other than raw numbers, the only numbers researchers can get from nominal
variables are percentages.
✓ true
If a measure has "face validity," it means the questions appear to measure
what they're supposed to measure.
✓ true
The secret to high intercoder or observer reliability is
✓ clear definitions and classifications of behaviors.
In test-retest, a test is given to a group of people and then repeated, with the
same people, a week or two later.
✓ true
Interval measures assume an equal distance between points on a scale.
✓ true
Master01 | November, 2024/2025 | Latest update
, 1|Page | © copyright 2024/2025 | Grade A+
Analyzing a sample is done to
✓ Gain insight into a larger population that the sample is presumed to
represented
To be satisfied that X does cause Y, which of the following must be
established?
✓ all of the above
The larger the standard deviation of a variable, the wider its range of scores
on either side of the mean.
✓ true
We can reduce or eliminate the influence of potentially relevant variables in
an experiment by
✓ Randomly assigning participants to each experimental group
Generally, larger sample sizes reduce sampling error
✓ true
Which of the following sampling methods is a probability sampling method?
Master01 | November, 2024/2025 | Latest update
