I'm needing a research topic for proposal that has minimum risk to participates and can be experimented. please help

Answer 1

Couldn't it be as simple as placing a piece of trash on the floor in a mall and see how many people pick it up and throw it away in an hour. Fake results being 12 people out 25 picked it up, 6 of the 13 who didn't pick it up didn't even look at it

Answer 2

How could I could I write that in a topic

Answer 3

Something along the lines of...

The people that pick up litter come in all shapes, sexes and colors

topic sentences need to establish the topic quickly and concisely