Research Sampling

It starts with known sources of information who or which will in turn give other sources of information.

• Snowball sampling

• Network Sampling

• Convenience sampling

• Systematic sampling

Disneyland often surveys its guests as they exit a restaurant during their visit. The surveyor stands at the restaurant exit, counts the number of people leaving, and surveys every 25th guest.
This is a form of:

• Simple Random Sample
• Stratified Random Sample
• Voluntary Response
• Systematic Random Sampling

Tags

CCSS.W.11-12.2D

CCSS.L.11-12.6

CCSS.L.9-10.6

CCSS.W.9-10.2D

CCSS.L.8.6

Which of the following is TRUE?

• In a multi-stage random sample, all individuals and all subsets of the sample size have an equal chance of being selected.
• In a stratified random sample, all individuals and all subsets of the sample size have an equal chance of being selected.
• In a cluster random sample, all individuals and all subsets of the sample size have an equal chance of being selected.
• In a simple random sample, all individuals and all subsets of the sample size have an equal chance of being selected.

A ___ is a small portion of the population used to gather data from.

• Systematic Sampling Method
• Sample
• Population
• Bias

Elise, a supermarket employee, approached 50 random customers and asked whether they would be willing to discuss what they like most about the store. She interviewed the 22 who said yes. Is this sample of the supermarket's customers likely to be biased?

• yes

• no

A teacher splits her classes up by period. She then randomly picks 3 students from each period to do a survey.

• Stratified.

• Systematic

• Cluster

• Biased.

Which of these is NOT an example of a secondary source?

• Newspaper articles
• Diary entry
• Encyclopedia
• Textbook

What type of source is this? A magazine article from 2011 titled “Mining in the Old West in the 1860’s-1890’s” 

• Primary
• Secondary

True or False: all samples lead to a good prediction about an entire population.

• True
• False

3. _________ sampling is a good method to use when conducting a pilot study.

• A. Non-probability

• B. Non-probable

• C. Non-random