After observing children interacting with a department store santa claus, a psychologist decides to study children’s beliefs in santa. prior to beginning the study, the psychologist predicts that 5-year-olds will believe in santa, 10-year-olds will not be sure of their belief, and 15-year-olds will not believe at all. this prediction is a

Hypothesis

Explanation: Hypothesis is the way of presenting the idea by studying on that and evaluating it to present it in the form of theory. This process also includes the experimenting on the ideas so that some conclusion can be obtained.

The case mentioned in the question, hypothesis is the medium through which the psychologist is able to predict the children's belief on Santa Claus according to different age group (E.g.- 5 years,10 years and 15 years ).Thus, psychologist is the taking the help of hypothesis which describes about the mind of children at different age.

nigger, that word was originated for white folks   to keep black people under

and when black people use it, they know that's just how they greet each other

and when white folks use it, they know there's a double meaning under