Exploring Sampling Methods and Survey Bias

Why can't we experimentally test if getting married increases lifespan?

• It's impossible to measure lifespan

• It's unethical to randomly assign marital status

• It's not a relevant question

• It's too expensive

What is a key factor that can make or break a survey?

• The location where the survey is conducted

• The questions and the target respondents

• The time of day the survey is conducted

• The length of the survey

What is a leading question?

• A question that is difficult to understand

• A question that is irrelevant

• A question that suggests a particular answer

• A question that is too long

What is Simple Random Sampling?

• Selecting respondents from specific groups

• Selecting respondents based on their availability

• Selecting respondents based on convenience

• Selecting respondents randomly with equal chance

What is Non-Response Bias?

• When surveys are conducted online

• When certain groups are more likely to respond

• When survey questions are biased

• When respondents lie on surveys

What is Stratified Random Sampling?

• Sampling only from the majority group

• Splitting the population into groups and sampling from each

• Sampling from naturally occurring clusters

• Sampling based on convenience

What is Cluster Sampling?

• Sampling only from urban areas

• Sampling from specific groups of interest

• Sampling from naturally occurring clusters

• Sampling based on voluntary response

What is Snowball Sampling?

• Sampling only from rural areas

• Sampling based on convenience

• Sampling from naturally occurring clusters

• Using current respondents to recruit more respondents

Why is a census conducted?

• To collect data from a sample of the population

• To collect data from the entire population

• To collect data only from urban areas

• To collect data only from rural areas

What should you check to avoid falling for a fake poll?

• Who conducted the poll and how it was conducted

• The time of day the poll was conducted

• The location where the poll was conducted

• The length of the poll