To study ncaa athletes at a local college, a researcher measures behavior in a portion of all athletes at the college. what type of statistics can the research use to draw conclusions about the behavior of all athletes at the college?

Apsychologist has developed a series of personality inventories and wants to determine if they are valid. one of the scales measures perfectionism, so he asks a colleague for advice on how to establish the validity of this scale. the colleague tells him that if he were to find a sample of people with personality disorder, these people would obtain high scores on a scale that measures perfectionism.

Which sentence correctly uses a latin root word that means to see

Erikson's theory of personality grants more power to the than freud had allowed.