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In American football, a nickel defense (also known as a 4–2–5 or 3–3–5) is any defensive alignment that uses five defensive backs, of whom the fifth is known as a nickelback. The original and most common form of the nickel defense features four down linemen and two linebackers .
4–2–5 nickel defense 4–2–5. There are a couple paths to the 4–2–5. One is by removing a linebacker from the standard 4–3 to add the extra defensive back. The second is by converting the ends of a wide tackle six to safeties (the defensive ends of a wide tackle six already have pass defense responsibilities).
The 3–3–5 defense can also be referred to as the 3–3 stack or the spread defense. It is one form of the nickel defense , a generic term for a formation with five defensive backs. Veteran college football defensive coordinator Joe Lee Dunn is widely credited with being the main innovator of the 3–3–5 scheme.
In American football, a nickelback is a cornerback or safety who serves as the additional defensive back in a nickel defense. A base defense consists of two cornerbacks and two safeties, making the nickelback the fifth defensive back on the field, thus tying the name of the position to the name of the North American 5-cent piece.
The following outline is provided as an overview of and topical guide to the discipline of sociology: . Sociology – the study of society [1] using various methods of empirical investigation [2] and critical analysis [3] to understand human social activity, from the micro level of individual agency and interaction to the macro level of systems and social structure.
The sociological study of peace, war, and social conflict uses sociological theory and methods to analyze group conflicts, especially collective violence and alternative constructive nonviolent forms of conflict transformation. These concepts have been applied to current wars, like the War in Ukraine, and researchers note that ordinary people ...
Robert King Merton (born Meyer Robert Schkolnick; July 4, 1910 – February 23, 2003) was an American sociologist who is considered a founding father of modern sociology, and a major contributor to the subfield of criminology.
The offense–defense theory of Robert Jervis helps decide the intensity of the security dilemma. Jervis uses four scenarios to describe the intensity of the security dilemma: [ 1 ] When offensive and defensive behaviour are not distinguishable but offense has an advantage, the security dilemma is "very intense" and environment is "doubly ...