? Any body got this answer

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 of these are examples of personal rights whose interpretation has changed over time? the right to bear arms the right to a speedy and public trial freedom of assembly the majority rules the common good

What caused the settlement of more african americans in the mississippi alluvial plain region then in the ozark mountains region?