The most accurate statement is Inclusion and exclusion criteria are always needed in some form.
Inclusion criteria are the prospective subjects characteristics that should be taken into consideration in the study.
Exclusion criteria are set of predefined definitions commonly used to identify subjects who will not be included or those characteristics that disqualify prospective subjects for the study to be included
Answer:
This can be because of not being accepted in the society for example, bullying can cause depression or feeling insecure about yourself can lead to anxiety. Being skinny shamed or ft shamed can make you have eating problems
Explanation: Hope this helps <3
Parental neglect I think is the answer
A! Physical and emotional stratifies are great habits to help you learn more effectively