Category: C

  • Client-centered therapy

    Humanistic psychotherapy.  

  • Clerk of the house

    In politics, the chief administrative officer elected by the members.  

  • Cleavage

    In biology, the division of the zygote into cells. The repeated division of cells in an embryo. The process of repeated cell division of the fertilized egg to form a ball of cells that becomes the blastocyst. The cells (blastomeres) do not grow between divisions and so they decrease in size. Splitting a complex molecule…

  • Clavicle

    The collar bone that articulates with the sternum and scapula. The long, curved horizontal bone just above the first rib that connects the scapula (shoulder blade) with the sternum (breastbone). A thin, rodlike bone on each side of the anterior neck; commonly referred to as the collarbone. The collar bone: a long slender curved bone,…

  • Claviceps purpurea

    A fungus yielding the alkaloid, lysergic acid, the active ingredient in LSD Lysergic acid diethylamide was first synthesized by Hofmann in 1938.  

  • Classroom teacher

    A staff member assigned the professional activities of instructing students, in classroom situations, for which daily student attendance figures for the school system are kept.  

  • Classroom management

    How teachers organize and structure the flow of activities in their classrooms in order to keep the learners active and minimize disruptions.  

  • Classroom environment

    The physical structure, emotional climate, aesthetic characteristics, and learning resources of a classroom.  

  • Classroom climate

    The social atmosphere a teacher generates directive or indirective, democratic or authoritarian assumed to influence learners’ learning and attitudes (research does not yet support this assumption).  

  • Classroom analysis system

    Clearly defined sets of procedures and written materials that can be used to objectify the interaction between teachers and students.