pre-operational stage
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Operational amplifier — A Signetics μa741 operational amplifier, one of the most successful op amps. An operational amplifier ( op amp ) is a DC coupled high gain electronic voltage amplifier with a differential input and, usually, a single ended output.[1] An op amp… … Wikipedia
Supermarine Spitfire operational history — November 1942 photo of a very early Mk IXb of 306 (Polish) Toruński Squadron. Main article: Supermarine Spitfire The Supermarine Spitfire, the only British fighter to be manufactured before, during and after the Second World War, was designed as… … Wikipedia
Multi-stage fitness test — The multi stage fitness test, also known as the bleep test, beep test, pacer test, Leger test or 20 m shuttle run test, is used by sports coaches and trainers to estimate an athlete s VO2 max (maximum oxygen uptake). The test is especially useful … Wikipedia
Theory of cognitive development — The Theory of Cognitive Development (one of the most historically influential theories) was developed by Jean Piaget, a Swiss Philosopher (1896–1980). His genetic epistemological theory provided many central concepts in the field of developmental … Wikipedia
Model of Hierarchical Complexity — The model of hierarchical complexity is a framework for scoring how complex a behavior is. It quantifies the order of hierarchical complexity of a task based on mathematical principles of how the information is organized and of information… … Wikipedia
Model of hierarchical complexity — The model of hierarchical complexity, is a framework for scoring how complex a behavior is. It quantifies the order of hierarchical complexity of a task based on mathematical principles of how the information is organized and of information… … Wikipedia
Behavior analysis of child development — Child development in behavior analytic theory has origins in John B. Watson s behaviorism.[1] Watson wrote extensively on child development and conducted research (see Little Albert experiment). Watson was instrumental in the modification of… … Wikipedia
Conservation (psychology) — This article is about Developmental psychology. For other uses, see Conservation (ethic). Conservation refers to a logical thinking ability which, according to the psychologist Jean Piaget becomes evident in children aged 3 7 during a second Pre… … Wikipedia
Cognition — In science, cognition refers to mental processes. These processes include attention, remembering, producing and understanding language, solving problems, and making decisions. Cognition is studied in various disciplines such as psychology,… … Wikipedia
Piaget, Jean — (1896 1980) A Swiss psychologist who made a major and distinct contribution to theories of human intellectual development, arguing that individuals actively make sense of the world, rather than merely being conditioned by it. Piaget conducted a… … Dictionary of sociology
