Chapter 7 Flashcards
snowball sampling
Usually used when trying to investigate social networks
EX. studying the homeless
Interview one and ask them to lead you to others
random sampling
Uses chance to select people or elements
Contribution
Foundation to many gov.t statistics such as unemployment in labor force
Follows a lot of useful statistical properties that we need to conduct analysis later
intercept interviews
stop people in public
advantages to intercept interviews
Best practical way to research population using survey
quick to implement
disadvantages to intercept interviews
Not good for longer
Hard with random sampling
household interviews
“Gold standard” social and gov.t surveys
adv. to Household interviews
High response rate and rigorous sampling
Allows physical observation
disadvantages to household interviews
Time, money
Difficult to monitor
social desirability bias
People provide more socially acceptable answers when in presence of person
interview effects
How people answer questions may be influenced by characteristics of interviewer in terms of gender, age, ethnicity
telephone surveys
Widely used in 70’s - 2000’s
Used computer assisted interviewing
Lower costs but,
Declining response rates, coverage problem
Likely will not be used in next decade or two
mail self administered survey adv.
Lower cost
Geographical targeting
Easy to get get a random sample
Mail self administered survey disadvantages
literacy/language barriers
Not good for complex questionnaires
Group self administered survey advantages
Many responses at one time
Workers help administer survey and answer questions
Group self administered survey disadvantages
Observe or influence others
Hard to get random sample
