Session 3: ASB Revision

Random sampling is more representative than non-random sampling method

• True
• Sometimes
• False
• Depends on the sample size

What is the main disadvantage of closed-ended question in a questionnaire?

• Difficult to code

• Difficult to administer

• Cannot capture responses beyond the options provided

• Respondents require more effort to answer

What is the main advantage of an open-ended question?

• Help to minimize response error

• Help to reduce non-response error

• Help to capture unanticipated and important response

• Make data analysis simpler

What is a sampling frame?

• A list of all items in the population.

• A source from which a sample is drawn.

• A complete list of all we want to study.

• All the suggested answers are correct.

What are the reasons for the need of sampling?

• It is too costly to study the whole population.

• Too time consuming to study the whole population.

• Can be destructive to observe the whole population.

• All the suggested answers are correct.

Which of the followings is a probability sampling method?

• Judgmental sampling

• Stratified sampling

• Quota sampling

• Convenient sampling

The host mixed all the tickets and chose 5 for the grand door prizes. This is an example of

• convenient sampling

• simple random sampling

• stratified sampling

• quota sampling

Alan assigned every 5th name on his attendance list to answer questions. This is an example of

• Stratified sampling

• convenient sampling

• systematic sampling

• cluster sampling

Which of the following sampling method may yield the least representative sample?

• Convenient sampling

• Simple random sampling

• Systematic sampling

• Cluster sampling

Q12. Non-parametric tests required the data to be normally distributed

• False
• True