Gregory was talking with tom, his assistant manager, saying, "when i make a decision on which employee to pick to do a project, i use three simple factors, which i call my decision making "rules of thumb." i consider their attitude and knowledge, and how hard they work." gregory's rules of thumb, which he uses in decision making, are known as

The answer to the question above is "heuristic" which is the rule of thumb used by Gregory in decision making. The heuristic is a simple rule of individual's mental processes through the development and learning. Gregory considers employees' attitude, knowledge, and hard work for the basis of his decision making. These are the developments and learnings of the employee which are the heuristic aspects.