Archives

Primary Mental Abilities Primary Mental Abilities refer to 7 factors identified by Louis Leon Thurstone. These 7 factors, or primary mental abilities, …

Primary Disorder A primary disorder is the first disorder (sometimes called a “condition”) or most prevalent diagnosed condition, i.e. the condition that …

Primacy Effect This is the tendency for the first items presented in a series to be remembered better or more easily, or …

Preoperational Thought (Pre-Operational Thought) In Piaget’s theory of cognitive development, the second stage is called Preoperational Thought. During this stage, which occurs …

Prepositional Reasoning Piaget suggests that most children enter the final stage of cognitive development around 12 years of age. It is at …

Preoperational Stage The preoperational Stage is one of Piaget’s four stages of cognitive development. Infants between the ages of 18 and 24 …

Premack Principle This is a principle of Operant Conditioning originally identified by David Premack in 1965. According to this principle, some behavior …

Predictive Validity The relationship between test scores and later performance on knowledge, skill or ability. SATs are said to have predictive validity; …

Preconventional Level The first level of Kohlberg’s moral development taxonomy where individuals’ ethical principles are guided by the consequences of the action …

Preconscious The preconscious, according to Freud, is the area that lies between conscious awareness and the unconscious. When thoughts are in the …