Question: QUESTION 1 Statisticians prefer probability samples over nonprobability samples because they …

QUESTION 1

Statisticians prefer probability samples over nonprobability
samples because they

		are less time consuming.
		are normally distributed.
		increase the internal validity of our studies.
		often better represent the population of interest.

1 points   

QUESTION 2

Select the closed question from the following choices.

		Describe your most interesting class.
		How do you use the internet?
		How many netbooks does your family own?
		What are your best features?

1 points   

QUESTION 3

When a psychological variable like a trait can be viewed as a
continuous dimension, multiple scales are possible. You should use
____ scales because they allow data analysis by ____ statistical
tests.

		nominal or ordinal; less powerful
		nominal or ordinal; more powerful
		interval or ratio; less powerful
		interval or ratio; more powerful

1 points   

QUESTION 4

Maggie is asked by her editor to interview 20 students, 10 men
and 10 women, because the student body has equal numbers of men and
women. There are no constraints on how she selects her interview
subjects. She approaches and interviews students until she has
talked to all 20 students. Which sampling method did Maggie
use?

		convenience sampling
		purposive sampling
		quota sampling
		stratified random sampling

1 points   

QUESTION 5

Marcus gave advising satisfaction surveys to psychology and
political science majors to compare the success of these two
departments. Which nonrandom sampling method did he use?

		convenience sampling
		purposive sampling
		quota sampling
		snowball sampling

1 points   

QUESTION 6

Researchers often prefer ____ when a population is known to
contain distinct subgroups.

		cluster sampling
		simple random sampling
		stratified random sampling
		systematic random sampling

1 points   

QUESTION 7

Researchers systematically categorize responses to open-ended
questions like “How do you cheer your friends up when they are
down?” This process is called

		content analysis.
		factor analysis.
		scaling.
		systematic observation.

1 points   

QUESTION 8

Researchers should ____ when asking sensitive questions in
face-to-face interviews.

		adjust their tone of voice to each subject
		establish trust
		maintain a detached appearance
		vary the way you ask questions

1 points   

QUESTION 9

The Unfounded Optimism Inventory
1. I know that everything will be all right. Yes No
2. I can pick the fastest line at the bank. Yes No
3. I often smile at nothing. Yes No
4. If I lose money, I expect it to be returned. Yes No

To which response style would this inventory be most
vulnerable?

		nay-saying
		social desirability
		willingness to answer
		yea-saying

1 points   

QUESTION 10

Is there a problem with the following question?
Do you believe that liberal activist judges should be recalled?

		the question is ambiguous
		the question is double-barreled
		the question is value-laden
		the question is ambiguous and value-laden

1 points   

QUESTION 11

Select the open-ended question from the list below.

		Do your parents use e-mail?
		Rate your campus social life from 1 to 10.
		Should fetal tissue research be banned?
		What do you like most about your best friend?

1 points   

QUESTION 12

Which of the following statements describe a valid survey?

		Performance on the survey predicts actual behavior.
		The survey measures what you want it to measure.
		The survey provides the same results as other surveys designed to measure similar topics.
		all of these are correct

1 points   

QUESTION 13

For which survey method is it most critical to keep survey items
and response formats simple?

		computer survey
		face-to-face interview
		mail survey
		telephone interview

1 points   

QUESTION 14

Lauren has an alphabetical list of 500 psychology majors at her
university and wants to randomly select a sample of 100 students.
What is her n?

		5
		20
		100
		500

1 points   

QUESTION 15

When taking questionnaires, both yea-sayers and nay-sayers seem
to focus on each item’s

		latent content.
		manifest content.
		social desirability.
		none of these

1 points   

QUESTION 16

Response rates for telephone surveys usually fall between

		10-15%.
		25-35%.
		45-75%.
		60-90%.

1 points   

QUESTION 17

Igor was fascinated by alien abduction stories and wanted to
administer a survey to people who claim to be abductees. Since this
is a unique population, he asked abductees for help in locating
additional subjects. Igor used

		convenience sampling.
		purposive sampling.
		quota sampling.
		snowball sampling.

1 points   

QUESTION 18

When we are concerned about reactivity when administering a
questionnaire containing sensitive questions, we should ask
subjects to

		complete the questionnaire in a group setting.
		complete the questionnaire in private.
		identify themselves on the questionnaire.
		report their answers out loud.

1 points   

QUESTION 19

Which sampling method is likely to yield the lowest external
validity?

		cluster sampling
		quota sampling
		simple random sampling
		stratified random sampling

1 points   

QUESTION 20

Open-ended questions like “What is your favorite comfort food?”
produce data that are ____ than closed questions.

		easier to code
		easier to quantify
		more accurate
		more variable