Sabrina went to the store for furniture polish, carrots, pencils, ham, sponges, celery, notebook paper, and salami. She remembered to buy all these items by reminding herself that she needed food products that included meats and vegetables and that she needed non-food products that included school supplies and cleaning aids. Sabrina made effective use of:____________.
a) heirachical organization
b) acoustic encoding
c) the spacing effect
d) the peg-word system