choose one of your main variables and write an operational definition. Read Chap

choose one of your main variables and write an operational definition. Read Chapter 2 and 3 Selecting a Research Question and Reviewing the Literature, before you start.
The first Main Assignment is a short description of your topic of interest and a possible research question. A research question has to be testable, so each variable has to be operationally defined.
An operational definition of memory loss, for example, would be less than 75% from pretest baseline on the Memory Inventory (Smith, 2000).
What is an operational definition of one of your variables?