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Fitts also proposed an index of performance (IP, in bits per second) as a measure of human performance. The metric combines a task's index of difficulty (ID) with the movement time (MT, in seconds) in selecting the target. In Fitts's words, "The average rate of information generated by a series of movements is the average information per ...
Task difficulty has received considerable attention in prior research (Fleighman and Quaintance 1984; Gentile 1998). Important to the challenge point framework, task difficulty is not explicitly defined. Alternately, two broad categories can encompass these elements: Nominal task difficulty
The KR-20 may be affected by difficulty of the test, the spread in scores and the length of the examination. In the case when scores are not tau-equivalent (for example when there is not homogeneous but rather examination items of increasing difficulty) then the KR-20 is an indication of the lower bound of internal consistency (reliability).
The first sport psychology laboratory was founded by Dr. Carl Diem in Berlin, in the early 1920s. [7] The early years of sport psychology were also highlighted by the formation of the Deutsche Hochschule für Leibesübungen (College of Physical Education) in Berlin, Germany, by Robert Werner Schulte in 1920.
Forty Studies That Changed Psychology: Explorations Into the History of Psychological Research is an academic textbook written by Roger R. Hock that is currently in its eighth edition. The book provides summaries, critiques, and updates on important research that has impacted the field of psychology. The textbook is used in psychology courses ...
Examples of behavioral handicaps include alcohol consumption, the selection of unattainable goals, and refusal to practice a task or technique (especially in sports and the fine arts). Some of these behaviors include procrastination, self-fulfilling prophecies of negative expectations, learned helplessness, self-handicapping, success avoidance ...
The model of hierarchical complexity (MHC) is a formal theory and a mathematical psychology framework for scoring how complex a behavior is. [4] Developed by Michael Lamport Commons and colleagues, [3] it quantifies the order of hierarchical complexity of a task based on mathematical principles of how the information is organized, [5] in terms of information science.
The Life Events and Difficulties Schedule is a psychological measurement of the stressfulness of life events. It was created by psychologists George Brown and Tirril Harris in 1978. [1]