Research Methods Exam 2

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1

Standard error increases as sample size decreases
A) True

B) False

A

2

Standard error decreases as sample size decreases

A) True

B) False

B

3

Individuals or items selected from a sampling frame that are randomly chosen each with the same probability of being chosen

A) simple random

B) systematic

C) stratified

A

4

Choosing each case from the sampling frame in a systematic manner

A) simple random

B) systematic

C) stratified

B

5

Every 4th case; must begin with a random number

A) simple random

B) systematic

C) stratified

B

6

Selecting number of cases from homogeneous subsets; subjects are chosen in the ration that exists in the population

A) simple random

B) systematic

C) stratified

C

7

More convenient than simple random sampling

A) simple random

B) systematic

C) stratified

B

8

Reduction of sampling error

A) simple random

B) systematic

C) stratified

C

9

Ensures representation

A) simple random

B) systematic

C) stratified

C

10

Sample is selected based on our knowledge of the population and adjusted to our research aims

A) purposive

B) quota

C) available

D) snowball

A

11

establishing a matrix or a table that describes the characteristics of the target population

A) purposive

B) quota

C) available

D) snowball

B

12

Can be combined with purposive sampling that are intuitively representative

A) purposive

B) quota

C) available

D) snowball

B

13

Appropriate when the research wants to examine the characteristics of people who are passing the sampling point at some specified time

A) purposive

B) quota

C) available

D) snowball

C

14

Generalizability issue

A) purposive

B) quota

C) available

D) snowball

C

15

Identifying one or a few subjects and having them identify more subjects

A) purposive

B) quota

C) available

D) snowball

D

16

Sample size increases with time

A) purposive

B) quota

C) available

D) snowball

D

17

Respondent-driven sampling

A) purposive

B) quota

C) available

D) snowball

D

18

Summary description of a variable in the sample

A) sample statistic

B) population parameter

A

19

Value for a given variable in the population

A) sample statistic

B) population parameter

B

20

Sample statistic helps make estimates of population parameters

A) True

B) False

A

21

Easy to interpret; easy to miss an important item

A) close-ended question

B) open-ended question

A

22

Provides more possibilities; harder to code and may get irrelevant information

A) close-ended question

B) open-ended question

B

23

Costly

A) In person

B) Telephone

C) Self-administered

D) A and C

A

24

Inexpensive

A) In person

B) Telephone

C) Self-administered

D) A and B

D

25

Obtains higher response rates

A) In person

B) Telephone

C) Self-administered

D) A and C

A

26

Bias

A) In person

B) Telephone

C) Self-administered

D) A and C

D

27

Eliminates interviewer bias

A) In person

B) Telephone

C) Self-administered

D) B and C

D

28

High refusal rates

A) In person

B) Telephone

C) Self-administered

D) A and B

B

29

Easy to follow up

A) In person

B) Telephone

C) Self-administered

D) A and C

B

30

Participants in activities of the group under study, but identifies his/herself as a researcher

A) Participant as observer

B) Observer as participant

C) Complete observer

A

31

Researcher identifies him or himself

A) Participant as observer

B) Observer as participant

C) Complete observer

B

32

Observes a location or process without becoming a part of it

A) Participant as observer

B) Observer as participant

C) Complete observer

C