Which situation is an example of an observational study.

How often do neap tides occur? a. about once a month b. about twice a month c. about once a year d. about twice a year

Essay questions may also be referred to as a. talk questions c. hard questions b. explain questions d. think questions

Your data will you choose that you can use in your planning. a. evidence-based practices b. strategies others have used c. new and innovative strategies d. strategies recommended by family members