The answer is childhood and poor adaptive behaviors.
Intellectual disability is a state which individual is incapable to adapt things surrounded him or her. Everyone who was eligible for a diagnosis of mental slow development and progress is entitled and qualified for a diagnosis of intellectual disability. Individuals having intellectual disability shows random sheer incompetence, poor understanding, poor adaptation in behaviors of real-life skills such as cleaning, grooming, or avoiding danger, the ability to work, take personal responsibility, and social skills.
Answer:
a. participant observation, diaries, and ethnographic interviews.
Explanation:
Participant observation: The term participant observation is defined as a method of qualitative research in which the experimenter observes the participants or subjects involved in the research as well as the experiment actively engages or involved in their activities.
Ethnographic interview: The term ethnographic interview is defined as a method of qualitative research that involves one-on-one interviews and immersive observation.
Diaries: The diary research is a form of qualitative research method that involves collecting qualitative data of the participants' activities, behaviors, and experiences over a period.
In the question above, since Super and Harkness are studying a developmental niche that can not be calculated or is an empirical variable, so it would be better for them to use qualitative methods to study. Therefore, it includes participant observation, diaries, and ethnographic interviews.
A-- Initiative.
Referendums have to do with only addressing a single, specific issue.
Federalist systems have to do with having a representative head to the government.
Supremacy clauses have to do with which laws are superior to others in case of conflict. (Federal law is superior, by the way.)
