POSC 201 FINAL EXAM QUESTIONS AND ANSWERS | WITH COMPLETE SOLUTION!!
Sampling - (ANSWER)Selection of a subset of respondents from a broader population
Probability sampling - (ANSWER)General term for samples selected in accordance with probability
theory, involving some random selection mechanism
Non-probability sampling - (ANSWER)Samples are selected in a way that is not suggested by probability
theory
Purposive sampling - (ANSWER)Units observed are selected on the basis of researcher's judgment about
which ones will be most useful
Quota sampling - (ANSWER)Units are selected into a sample on the basis of prespecified characteristics
to represent a population
Snowball sampling - (ANSWER)Each person interviewed may be asked to suggest additional people for
interviewing
Sampling error - (ANSWER)Degree of error to be expected in probability sampling
Simple random sampling - (ANSWER)Number people, using a random number generator to select
certain amount of people for sample
Systematic sampling - (ANSWER)Every # person is selected for sample, first person is chosen randomly
Stratification - (ANSWER)Separate subjects in population by different variables then choose number of
people from each subgroup
Population - (ANSWER)Theoretically specified aggregation of elements in a study
Sampling Frame - (ANSWER)List of units composing a population from which sample was selected
, POSC 201 FINAL EXAM QUESTIONS AND ANSWERS | WITH COMPLETE SOLUTION!!
Commissioned polls - (ANSWER)Paid by someone
Slop Surveys - (ANSWER)Readers of particular blog, magazine, etc 'tell us what you think'
Online surveys - (ANSWER)Paying people to take surveys sometimes
Push Polls - (ANSWER)Appear to be polls, but aren't. Trying to push negative info
Election polling - (ANSWER)Includes benchmark, trial heat survey, tracking
Focus groups - (ANSWER)A qualitative research method involving guided discussion
Secondary data analysis - (ANSWER)Form of research in which data collected and processed by one
researcher are reanalyzed for a different purpose
Questionnaire construction - (ANSWER)Make questions clear and concise, keep respondent's
perspectives in mind
Open vs. closed-ended questions - (ANSWER)Open-ended: Long response; Closed-ended: Short response
from a list
Response rates - (ANSWER)Calculated by dividing number of actual responses by number of potential
responses
Nonresponse bias - (ANSWER)Belief that those who do not respond are different in opinion from those
willing to respond
Validity and reliability - (ANSWER)Survey research tends to be weak on validity and strong on reliability
Sampling - (ANSWER)Selection of a subset of respondents from a broader population
Probability sampling - (ANSWER)General term for samples selected in accordance with probability
theory, involving some random selection mechanism
Non-probability sampling - (ANSWER)Samples are selected in a way that is not suggested by probability
theory
Purposive sampling - (ANSWER)Units observed are selected on the basis of researcher's judgment about
which ones will be most useful
Quota sampling - (ANSWER)Units are selected into a sample on the basis of prespecified characteristics
to represent a population
Snowball sampling - (ANSWER)Each person interviewed may be asked to suggest additional people for
interviewing
Sampling error - (ANSWER)Degree of error to be expected in probability sampling
Simple random sampling - (ANSWER)Number people, using a random number generator to select
certain amount of people for sample
Systematic sampling - (ANSWER)Every # person is selected for sample, first person is chosen randomly
Stratification - (ANSWER)Separate subjects in population by different variables then choose number of
people from each subgroup
Population - (ANSWER)Theoretically specified aggregation of elements in a study
Sampling Frame - (ANSWER)List of units composing a population from which sample was selected
, POSC 201 FINAL EXAM QUESTIONS AND ANSWERS | WITH COMPLETE SOLUTION!!
Commissioned polls - (ANSWER)Paid by someone
Slop Surveys - (ANSWER)Readers of particular blog, magazine, etc 'tell us what you think'
Online surveys - (ANSWER)Paying people to take surveys sometimes
Push Polls - (ANSWER)Appear to be polls, but aren't. Trying to push negative info
Election polling - (ANSWER)Includes benchmark, trial heat survey, tracking
Focus groups - (ANSWER)A qualitative research method involving guided discussion
Secondary data analysis - (ANSWER)Form of research in which data collected and processed by one
researcher are reanalyzed for a different purpose
Questionnaire construction - (ANSWER)Make questions clear and concise, keep respondent's
perspectives in mind
Open vs. closed-ended questions - (ANSWER)Open-ended: Long response; Closed-ended: Short response
from a list
Response rates - (ANSWER)Calculated by dividing number of actual responses by number of potential
responses
Nonresponse bias - (ANSWER)Belief that those who do not respond are different in opinion from those
willing to respond
Validity and reliability - (ANSWER)Survey research tends to be weak on validity and strong on reliability
