in a study designed to assess the effectiveness of a new therapeutic technique to help patients stop smoking, research participants are asked to record in a diary each time they smoke a cigarette. at the beginning of the two week experiment participants are very careful about noting every time they smoke a cigarette. however by the end of the two weeks they often forget to record each cigarette they smoke making it appear that they smoked less at the end of the experimental treatment. the results in this study are confounded by

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15-11-2022
Social Studies

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in a study designed to assess the effectiveness of a new therapeutic technique to help patients stop smoking, research participants are asked to record in a diary each time they smoke a cigarette. at the beginning of the two week experiment participants are very careful about noting every time they smoke a cigarette. however by the end of the two weeks they often forget to record each cigarette they smoke making it appear that they smoked less at the end of the experimental treatment. the results in this study are confounded by

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fawadmohd fawadmohd · Answer 1 · 2022-11-19T05:36:34+01:00

The correct answer instrumentation.

A collection of instruments used to measure, monitor, and control a process is referred to as an instrumentation system. A mechanical thermostat, used to manage a domestic heater and consequently room temperature, is a simple example of an instrumentation system. A bimetallic strip is used in most units to detect temperature. Temperature is displayed via a needle at the free end of the strip.

What is bimetallic strip ?

Temperature changes are converted into mechanical displacement using a bimetallic strip. The strip is made up of two strips of different metals that expand at different rates when heated, commonly steel and copper, but also steel and brass in some situations.

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