Answer:
Inter-rater reliability
Explanation:
Inter-rater reliability also called inter rater concordance or inter rater observer reliability measures the level of consistence of observers. In other words it measures how reliable observers are by comparing and measuring the level of agreement of the ratings of the different observers. In the example in the question you would use inter-rater reliability to measure how much the ratings of the observers of interpersonal aggressiveness agree and are therefore reliable.
Peer pressure. she(or they) feel pressured to get a certain thing because someone else has them
Answer: Robert E. Park
Explanation:
The Robert E. park was one of the american urban sociologist and he claimed about the human behavior towards the growing culture in the cities. It basically follow the basic ecology principle that are applied in the wildlife.
Early, he was known as one of the influential figure in the united state. The Robert Ezra park was taught in the Chicago university in 1914. He play an important role in the sociology development.