Research Methods Exam 2
Standard error increases as sample size decreases
A) True
B) False
A
Standard error decreases as sample size decreases
A) True
B) False
B
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
Choosing each case from the sampling frame in a systematic manner
A) simple random
B) systematic
C) stratified
B
Every 4th case; must begin with a random number
A) simple random
B) systematic
C) stratified
B
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
More convenient than simple random sampling
A) simple random
B) systematic
C) stratified
B
Reduction of sampling error
A) simple random
B) systematic
C) stratified
C
Ensures representation
A) simple random
B) systematic
C) stratified
C
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
establishing a matrix or a table that describes the characteristics of the target population
A) purposive
B) quota
C) available
D) snowball
B
Can be combined with purposive sampling that are intuitively representative
A) purposive
B) quota
C) available
D) snowball
B
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
Generalizability issue
A) purposive
B) quota
C) available
D) snowball
C
Identifying one or a few subjects and having them identify more subjects
A) purposive
B) quota
C) available
D) snowball
D
Sample size increases with time
A) purposive
B) quota
C) available
D) snowball
D
Respondent-driven sampling
A) purposive
B) quota
C) available
D) snowball
D
Summary description of a variable in the sample
A) sample statistic
B) population parameter
A
Value for a given variable in the population
A) sample statistic
B) population parameter
B
Sample statistic helps make estimates of population parameters
A) True
B) False
A
Easy to interpret; easy to miss an important item
A) close-ended question
B) open-ended question
A
Provides more possibilities; harder to code and may get irrelevant information
A) close-ended question
B) open-ended question
B
Costly
A) In person
B) Telephone
C) Self-administered
D) A and C
A
Inexpensive
A) In person
B) Telephone
C) Self-administered
D) A and B
D
Obtains higher response rates
A) In person
B) Telephone
C) Self-administered
D) A and C
A
Bias
A) In person
B) Telephone
C) Self-administered
D) A and C
D
Eliminates interviewer bias
A) In person
B) Telephone
C) Self-administered
D) B and C
D
High refusal rates
A) In person
B) Telephone
C) Self-administered
D) A and B
B
Easy to follow up
A) In person
B) Telephone
C) Self-administered
D) A and C
B
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
Researcher identifies him or himself
A) Participant as observer
B) Observer as participant
C) Complete observer
B
Observes a location or process without becoming a part of it
A) Participant as observer
B) Observer as participant
C) Complete observer
C