According to the myers-briggs type indicator, one who uses reason and logic to handle problems is said to be of the type.

Thinking and Feelings Type

Explanation:

Thinking and Feelings are decision making judgment functions. The thinking and feeling functions are used to make the analytical decision which is based on data collected from information-gathering functions (sensing and intuition). The person who prefer thinking to contribute to deciding thinks from a more isolated standpoint to measure the decision by what implies reasonable, logical, casual persistent and matching with a given set of rules. The person who prefer "feelings type" associated decision with situation, introspection, and prefer the situation, balancing the situation, etc. In this process, thinkers have problem with the people who are not consistent and logical and provide direct feedback to other people. They are anxious about the truth and perceive it as the most important thing.

answer; i believe the correct answer is (4) flip a coin as each participant arrives,heads indicates assignment to the first group: tails indicates assignment to the second group;

the consumer demand because the members have to be aware if people are going to buy what they want to sell in this case either energy drinks or a car wash.