Answer:
1. many-trait
2. Typological
3. many-trait
4. essential-trait
5. self-monitors, low self-monitors
6. masturbate less often
Explanation:
1. To understand the reasons that why a person uses drugs, a researcher adopts an approach of many-trait.
2. A researcher interested in identifying common patterns of trait variation that characterize whole persons is using a <u>Typological</u> approach.
3.A researcher who starts with an interest in delinquency and then identifies the traits associated with that category of behavior is taking a <u>many-trait</u> approach
4.A researcher who tries to discover the most important or basic personality traits that exist is taking a <u>essential-trait</u> approach.
5.People who adjust their behavior to best fit the situation are called high <u>self-monitors</u>, and people whose behavior is guided by their personality are called <u>low self-monitors</u>
6.When compared to high self-monitors, people who score low in self-monitoring tend to <u>masturbate less often</u>.