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The Magical Number Seven, Plus or Minus Two. " The Magical Number Seven, Plus or Minus Two: Some Limits on Our Capacity for Processing Information " [ 1] is one of the most highly cited papers in psychology. [ 2][ 3][ 4] It was written by the cognitive psychologist George A. Miller of Harvard University 's Department of Psychology and published ...
In ice hockey, the plus–minus measures a player's goal differential. When a team that is at even-strength or shorthanded scores a goal, all players on the ice on the scoring team will register a plus while all players on the conceding team on the ice will register a minus. When a goal is scored by a team on the power play, no plus or minus ...
Plus–minus. Plus–minus, ±, +/−, or variants may refer to: Plus–minus sign (±), a mathematical symbol which can mean either plus (+) or minus (−), or can indicate the uncertainty of a measurement or statistic. Plus–minus (sports), a sports statistic used to measure a player's impact on the game. Plus minus method, a geophysical ...
Elam Ending. The Elam Ending, also known as final target score, [1] is a rules format for basketball. Unlike traditional basketball rules, in which the game is played with four timed quarters, with the Elam Ending format, teams end the game by playing to a target score. A variation used by the NBA G League implements the Elam Ending in games ...
In a group tournament, unlike a knockout tournament, there is no scheduled decisive final match. Instead, all the competitors are ranked by examining the results of all the matches played in the tournament. Typically, points are awarded for each match, [n 1] with competitors ranked based either on total number of points or average points per match.
In statistics, the 68–95–99.7 rule, also known as the empirical rule, and sometimes abbreviated 3sr, is a shorthand used to remember the percentage of values that lie within an interval estimate in a normal distribution: approximately 68%, 95%, and 99.7% of the values lie within one, two, and three standard deviations of the mean, respectively.
Two-point conversion. In gridiron football, a two-point conversion or two-point convert is a play a team attempts instead of kicking a one-point conversion immediately after it scores a touchdown. In a two-point conversion attempt, the team that just scored must run a play from scrimmage close to the opponent's goal line and advance the ball ...
The rules of basketball are the rules and regulations that govern the play, officiating, equipment and procedures of basketball. While many of the basic rules are uniform throughout the world, variations do exist. Most leagues or governing bodies in North America, the most important of which are the National Basketball Association and NCAA ...