Two small metal plates, attached to the fingers, to measure sweat gland activityД«efore you are hooked up to the polygraph, the examiner will ask you several questions.Convoluted rubber tubes, attached around the abdomen and chest, to measure respiratory activity.Blood pressure cuff, to measure heart rate.When you are actually вЂњhooked up,вЂќ you will be seated in a chair near the polygraph. The polygraph measures several involuntary physiological responses to stress-specifically, the stress involved in lying. You may be asking yourself the following: How does it work? What are they going to ask about? What if IвЂ™m nervous during the test? If you have never taken one before, the idea can be intimidating. Many police departments require polygraphs. You donвЂ™t gain anything by being dishonest in your responses. The MMPI and all psychological tests are specifically designed to pick up inconsistencies that indicate someone is manipulating the answers. You are better off just answering honestly. вЂњMy motherвЂ™s favorite color is purpleвЂќ will probably send a better message than вЂњMy motherвЂ™s favorite was always my worthless brother.вЂќ However, do not waste a lot of time trying to come up with the вЂњrightвЂќ or the вЂњbestвЂќ answers. Answer honestly, but think about what you are writing. Other tests may ask you to complete sentences or to react to specific phrases, such as вЂњWhen IвЂ™m at homeвЂќ or вЂњMy motherвЂ™s favorite.вЂќ DonвЂ™t obsess over your answers. This instrument is comprised of over 400 similar questions.

Another commonly used self-reporting instrument is the California Psychological Inventory. Just to give you some idea of what itвЂ™s like, the statements range from things like вЂњI prefer romance novels to mysteries,вЂќ to вЂњMy father is a good man,вЂќ to вЂњI am an important person.вЂќ You mark your answers, depending on whether the statement never applies to you, sometimes applies to you, often applies to you, or always applies to you. These tests are comprised of over 500 true-false statements, which you read and respond to. Updated versions of the test include the MMPI-2 and the MMPI-2RF. The most common test is the Minnesota Multiphasic Psychological Inventory (MMPI). Almost all departments give applicants a standardized multiple-choice test-either one they have designed themselves or one that is commonly used in psychological settings.

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