Which answer correctly explains why President Adams and his Vice President Thomas Jefferson often disagreed and worked against each other

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.

If a swimmer is traveling at a constant speed of 0.85 m/s,how long would it take to swim the length of a 50m olympic sized pool?

How we perceive, use, study, structure, interpret, and react to messages of time is referred to as: ?