Im bored SOMEONE TALK TO ME BUT DONT BE DRYY

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.

Why do governments supply public goods and services instead of selling them to those people who use them

What would a student most likely use if he or she wanted to consult a secondary source