Working out to decrease one's stomach is a courtship readiness cue

A company decided to launch a new brand of detergent called ProWash. The manager asked the research team to call twenty random people and ask them about their expectations from ProWash. Which type of research is this?

a) Primary b) Secondary c) Quantitative d) Qualitative

An effective way to end a speech on complicated subject matter is a _________________

Fill in the blank(s) with the appropriate word(s).