The culmination of harry harlow's research on underscored the importance of physical touch in developing affectionate bonds.

Why is china building islands in the south china sea?

•editorial: countries that harm their own citizens cannot be true u.s. allies?

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.