Which of the following types of variables does the researcher systematically vary?

Rachel provided a step-by-step explanation of how her listeners should proceed

when applying for disaster relief in their tornado-ravaged community. The pattern of organization she has employed is _____. A) categorical B) spatial C) chronological/sequential D) causal

One of the following is not a consideration when using the boom mic:

a. pickup of clothes rustle from the types of fabrics and costumes worn by the performers b. boom shadow falling across the set c. positioning the boom at mic-to-source distances relative to the fields of view of the shots d. making sure the boom can move freely in the set