State the nonprobability sampling method described in each example. 1. A researcher studies student.

State the nonprobability sampling regularity picturesquely in each example.

1. A researcher studies tyro perceptions of global warming by selecting eminent train participants from a material pool at the local eminent train and has each tyro entire a global warming attitudes examine.

2. A researcher conducts a examine on eating in a train cafeteria by asking tyros as they penetrate the cafeteria if they are voluntary to have-a-share in a examine time they eat lunch. The researcher selects the leading 50 girls and the leading 50 boys who offer to have-a-share in the examine.