He also advised against following one's own psychological knowledge and experience, which he considered integral parts of the "observer".

Conversely, the diffusion of psychological knowledge makes every potential subject a psychologist too.

Their mission "is to advance the creation, communication and application of psychological knowledge to benefit society and improve people's lives."

As such, any models developed with the Lexical Hypothesis reflect lay perceptions rather than expert psychological knowledge.

Johnson has developed and applied psychological knowledge in effort to improve practices within educational systems.

You made that statement on the basis of your psychological knowledge?

You can discover these principles by trial and error, but it's a lot faster and less painful to take advantage of existing psychological knowledge.

But we specialists with our psychological knowledge know perfectly well that even the seducing child runs a risk, of being damaged and traumatized.

The game was advertised as being based on actual psychological knowledge and experience.

And through the generalization of psychological knowledge from the individual to the group, sociology was also mathematicized.