A healthier way of reacting would be to congratulate your friend and be happy that they made the team. Support them and practice with them so you can try out for the team next year.
The correct answer is A. Causal relationship
Explanation:
In research, it is common to use either quantitative methods that measure a phenomenon through numbers and statistics or qualitative methods that describe a phenomenon through qualities and characteristics. Both of this methods are used by researchers to understand an event, issue, situation, tendency or problem(phenomenon) and explaining it, especially by identifying the elements that are related to the phenomenon and whether these are the cause of the main phenomena, whch is knonw as causeal relationship. Thus, these methods attempt to establish a Causal relatioship.
This depends on person to person. My favorite is behaviorism. This is because it focuses on the role the environment plays in a person, I am a microbiologist and a biochemist so I often look at what happens on the inside and enjoy looking at the outside factors that influence a person.