When observation employs standardized procedures, trained observers, schedules for recording, and other devices that reflect the scientific procedures of other primary data methods, it is said to be observation. a. simpleb. systematicc. organizedd. structurede. semistructured

 Option B

Explanation:  Under systematic sampling the intent of the analyst is to make sure that all the observers get the same results when the given circumstances are same thus scientific procedures and methods are used in the data analyzing for utmost accuracy in the results.

A. simple sampling means a subset chosen from larger data.

C. Organized sampling means the data is grouped in various sets.

D. Structured sampling involves combination of sampling and using different models to compute results.

E. Semi structured sampling involves sampling involves sapling in which data is flexible and has loose ends.

answer; sensory adaptation;