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 nonfood products that included school supplies and cleaning aids. sabrina made effective use of: a) the spacing effect. b) hierarchical organization. c) the peg-word system. d) procedural memory

Sabrina made effective use of: b) hierarchical organization.

Explanation:

A hierarchical organization is when everything is organised in such a way that one thing is subordinate to other entities. For example in a government system there are different levels of authority which start from bottom to the top based on the ranking of each position this forms a hierarchy system.

Also in the churches that the system used we have for example pastors , bishop,etc who form a hierarchy system

Sabrina used subordinate like meat and vegetables under which she will know what entities fall under these categories.