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  2. Supersecondary structure - Wikipedia

    en.wikipedia.org/wiki/Supersecondary_structure

    A beta hairpin is a common supersecondary motif composed of two anti-parallel beta strands connected by a loop. The structure resembles a hairpin and is often found in globular proteins. The loop between the beta strands can range anywhere from 2 to 16 residues. However, most loops contain less than seven residues. [2]

  3. Three levels of leadership model - Wikipedia

    en.wikipedia.org/wiki/Three_levels_of_leadership...

    In reviewing the older leadership theories, Scouller highlighted certain limitations in relation to the development of a leader's skill and effectiveness: [3] Trait theory: As Stogdill (1948) [4] and Buchanan & Huczynski (1997) had previously pointed out, this approach has failed to develop a universally agreed list of leadership qualities and "successful leaders seem to defy classification ...

  4. Leadership - Wikipedia

    en.wikipedia.org/wiki/Leadership

    The Integrated Psychological Theory of leadership attempts to integrate the strengths of the older theories (i.e. traits, behavioral/styles, situational and functional) while addressing their limitations, introducing a new element – the need for leaders to develop their leadership presence, attitude toward others, and behavioral flexibility ...

  5. Functional leadership model - Wikipedia

    en.wikipedia.org/wiki/Functional_leadership_model

    Functional leadership theory (Hackman & Walton, 1986; McGrath, 1962) is a theory for addressing specific leader behaviors expected to contribute to organizational or unit effectiveness. This theory argues that the leader's main job is to see that whatever is necessary to group needs is taken care of; thus, a leader can be said to have done ...

  6. McKinsey 7S Framework - Wikipedia

    en.wikipedia.org/wiki/McKinsey_7S_Framework

    Visual representation of the model [1]. The McKinsey 7S Framework is a management model developed by business consultants Robert H. Waterman, Jr. and Tom Peters (who also developed the MBWA-- "Management By Walking Around" motif, and authored In Search of Excellence) in the 1980s.

  7. Structural motif - Wikipedia

    en.wikipedia.org/wiki/Structural_motif

    The resulting structure is a key building block of many RNA secondary structures. Cruciform DNA Cruciform DNA is a form of non-B DNA that requires at least a 6 nucleotide sequence of inverted repeats to form a structure consisting of a stem, branch point and loop in the shape of a cruciform, stabilized by negative DNA supercoiling. [3]

  8. Situational leadership theory - Wikipedia

    en.wikipedia.org/wiki/Situational_leadership_theory

    Situational Leadership Theory, now named the Situational Leadership Model, is a model created by Dr. Paul Hersey and Dr. Ken Blanchard, developed while working on the text book, Management of Organizational Behavior. [1] The theory was first introduced in 1969 as "Life Cycle Theory of Leadership". [2]

  9. Consideration and initiating structure - Wikipedia

    en.wikipedia.org/wiki/Consideration_and...

    Consideration and initiating structure are two dimensions of leader behavior identified in 1945 as a result of the Ohio State Leadership Studies. Reviews of research on these dimensions are described in Stogdill's Handbook of leadership: A survey of theory and research and Littrell's Explicit leader behaviour .