Multiple choice

1. The larger the sample, the more confidence we can have in the sample's representativeness.

True 

False 

2. The ordinal level of measurement has the highest mathematical precision.

True 

False 

3. When magazines and websites create surveys that readers or visitors to the website can choose to complete, what type of sampling method is used?

A. Stratified random 

B. Purposive 

C. Simple random 

D. Availability 

E. Quota

4. When conducting a survey, researchers may often create two versions of the questionnaire. They may vary the order of the questions or slight wording of the questions. They then divide the sample into two equal sub-samples and administer each version. When surveys are collected, s on the two different questionnaires are compared to determine:

A. Test-Retest reliability 

B. Content validity 

C. Construct validity 

D. Criterion validity 

E. Alternate-forms reliability