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  2. Picture Exchange Communication System - Wikipedia

    en.wikipedia.org/wiki/Picture_Exchange...

    The PECS Protocol occurs in six phases: Phase 1 – how to communicate: During phase I, the focus is on teaching the student to initiate social communication by exchanging a picture of a desired item. [2] This exchange is taught presenting one picture, selected by the trainer based on the student's observed preferences.

  3. Restriction point - Wikipedia

    en.wikipedia.org/wiki/Restriction_point

    Steps of the cell cycle. The restriction point occurs between the G 1 and S phases of interphase.. The restriction point (R), also known as the Start or G 1 /S checkpoint, is a cell cycle checkpoint in the G 1 phase of the animal cell cycle at which the cell becomes "committed" to the cell cycle, and after which extracellular signals are no longer required to stimulate proliferation. [1]

  4. The Pécs Model of School Social Work - Wikipedia

    en.wikipedia.org/wiki/The_Pécs_Model_of_School...

    The school social worker tries to find a solution for the child's problem in a preventive way, through his own methods – individual case treatment, social group work, community work. The school social work is a separate institution acting in an autonomous way, it is not subordinate to the school management, it is financed by an independent ...

  5. The Hitchhiker's Guide to the Galaxy Primary and Secondary Phases

    en.wikipedia.org/wiki/The_Hitchhiker's_Guide_to...

    By the time the sixth episode was broadcast, the show had a cult following. [1] A Christmas special would follow, many repeats and a second series. The two original series were followed by three more in 2004 and 2005 and a final, sixth series in 2018. The following article is a list of episodes from the Primary and Secondary Phases.

  6. Phases of clinical research - Wikipedia

    en.wikipedia.org/wiki/Phases_of_clinical_research

    Clinical trials testing potential medical products are commonly classified into four phases. The drug development process will normally proceed through all four phases over many years. [1] When expressed specifically, a clinical trial phase is capitalized both in name and Roman numeral, such as "Phase I" clinical trial. [1]

  7. Phase-type distribution - Wikipedia

    en.wikipedia.org/wiki/Phase-type_distribution

    A phase-type distribution is a probability distribution constructed by a convolution or mixture of exponential distributions. [1] It results from a system of one or more inter-related Poisson processes occurring in sequence, or phases. The sequence in which each of the phases occurs may itself be a stochastic process.

  8. Eccentric training - Wikipedia

    en.wikipedia.org/wiki/Eccentric_training

    This movement has also been described as negative training. This "negative" movement is necessary to reverse the muscle from its initial trajectory. [1]When the load exceeds the force that can be developed by the muscle at a constant length, as in an eccentric muscle action, the exercise is referred to as involving negative work, because the muscle is absorbing energy.

  9. Polyphase system - Wikipedia

    en.wikipedia.org/wiki/Polyphase_system

    One voltage cycle of a three-phase system. A polyphase system (the term coined by Silvanus Thompson) is a means of distributing alternating-current (AC) electrical power that utilizes more than one AC phase, which refers to the phase offset value (in degrees) between AC in multiple conducting wires; phases may also refer to the corresponding terminals and conductors, as in color codes.