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Observations that are measured at the same time represent what type of data? Cro

ID: 3256851 • Letter: O

Question

Observations that are measured at the same time represent what type of data? Cross-sectional Time Series A researcher is conducting a study on eating disorders. Using a list of recent participants in the online Weight Watchers program, she randomly selects a name from the alphabetized list. She then chooses every tenth person from that point on to include in her study. This sampling strategy is called Systematic Cluster Stratified A researcher is conducting a study on Internet use. He decides to first categorize the population by education level (high school, college graduate, advanced degree, etc.) and then survey select number from each category. This sampling strategy is called Systematic Cluster Stratified

Explanation / Answer

3) as observation on same time; it is called cross sectional data

option A

4)as first one is random and then onwards the next obsevation is at a fixed distance it is systematic sampling.

option A

5) as educational level is not naturally occuring in nature but created by sampling; therefore it is stratified sampling.

option C