survey concepts
What does a sampling survey do?
Collects info from part of a population.
Name one sampling method.
Random sampling.
What is a population in research?
The full group researchers want to study.
What kind of crimes does NCVS include?
Even those not reported to police.
Is NCVS cross-sectional or longitudinal?
Cross-sectional.
Why use a sampling survey?
To save time and money.
What is stratified sampling?
Dividing population into subgroups.
Give one example of a population.
Students
What is one purpose of NCVS?
To estimate criminal victimization.
What does a cross-sectional survey measure?
A snapshot of opinions or behaviors.
What does a survey aim to do?
Make conclusions about a whole group.
What is cluster sampling?
Using entire groups as samples.
Why define population early?
To ensure accurate results.
What does NCVS stand for?
National Crime Victimization Survey.
What’s a benefit of cross-sectional surveys?
Quick and cost-effective.
What kind of survey asks people about their own experiences?
Self-reported survey.
Which method gives everyone an equal chance?
Random sampling.
What does defining population help with?
Generalizing results.
What does NCVS collect?
Data on crimes experienced by victims.
What is a cross-sectional survey?
A survey taken at one point in time.
What must be defined before sampling begins?
The population.
Why use stratified sampling?
To represent key subgroups accurately.
Name two population examples.
Offenders and urban residents.
Who conducts NCVS?
U.S. Census Bureau for Bureau of Justice Statistics.
Why use cross-sectional surveys?
To study trends at a specific time.