Glossary P

Place of articulation refers to the location where the airflow is obstructed as a consonant is produced.

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Place theory is the Theory that higher and lower tones excite specific areas of the cochlea. It is a concept that Pitch perception depends on which part of the inner ear has cells with the greatest activity level

Place theory of Hearing is the proposal that the frequency of a sound is indicated by the place along the organ of Corti at which nerve firing is highest. Modern Place Theory is based on Békésy’s traveling wave Theory of Hearing.

Placebo refers to a substance that a person believes will relieve symptoms such as pain but that contains no chemicals that actually act on these symptoms.

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Placebo condition refers to the Condition used in experimental Research in which people are given an inert substance or treatment that is similar in all other ways to the experimental

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Placebo control refers to an experimental Condition in which treatment is not administered; often used in cases where a Placebo effect might occur.

Placebo Control also refers to a

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The Placebo Control group refers to a Group or Condition in which the participants receive a Placebo instead of the actual treatment.

In outcome research, Placebo Control Group refers to a control group that does not receive the experimental manipulation but is given a similar procedure with an identical expectation of change, allowing the researcher to assess any placebo effect.

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- Placebo control group in a therapy outcome study : - Placebo control group in a therapy outcome study : Placebo Control Group in a therapy outcome study refers to a Group of people whose treatment is an inactive

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