What is the Taotie mask used for?

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.

How do corporate finances, investor expectations and external forces influence stock prices and possibly pose a risk to investors

Why were the articles of confederation replaced with the constitution? a. the articles of confederation did not vice strong power to the federal government. b. the articles of confederation did not create a government structure for the states. c. the articles of confederation did not provide powers for strong individual state governments. d. the articles of confederation did not allow the federal government to deal with foreign countries.