Briefly explain what this sentence mean? Many humanists assumptions are untestable and hard to define operationally, but humanist idea about positive human traits, such as courage and resilience, have added balance to the study of personality.

What was Carl Jung contribution to the development of his theory of the collective unconscious all about? Include an example with your explanation

Briefly explain Gordon Allport contribution to core personality traits in which he recognize that not all traits have equal weight and significance in people lives. Include an example with your explanation

Carl Rogers was interested not only in way some people cannot function well but also in what he called "fully functioning individual". Briefly explain this? Include an example with your explanation.