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<blockquote data-quote="Running Arrow Bill" data-source="post: 243642" data-attributes="member: 9"><p>Regarding ultrasound "testing" and "interpretation":</p><p></p><p>First, ANY diagnostic procedure (e.g., medical, psychological, academic, veterinary, etc.) first uses a "test" procedure using "test equipment". The results and information from the test vary with the type of test used. A "test" can be simply visual (e.g., behavioral observation), using special "Tests" (procedures), or special equipment appropriate for the test being used.</p><p></p><p>Second, a "test" is "Scored" based on relative criteria (observed or inferred evidence, standard scores, historical averages, lab results, etc.).</p><p></p><p>Third, a "test" is "interpreted" by a qualified practitioner, based on test scores, field notes, etc.</p><p></p><p>Fourth, a "conclusion" (e.g., diagnosis) is arrived at based on the interpretation of test results.</p><p></p><p>Fifth, a plan of action (e.g., treatment, procedure, decision) is then presecribed based on the "diagnosis".</p><p></p><p>In sum, a "test" can be anything as simple as a "Yes/No" observation (e.g., pregnant or not, male or female, yellow car or not). It can be as complicated as a series of "sub-tests" which contribute to the "total test" (score or results).</p><p></p><p>The "accuracy" of any test is highly relative to the statistical probability issues of "Validity" and "Reliability" which are based on the level of statistical significance (e.g., at the .01, .05, .001 level), etc. As in "what are the chances that X result can happen BY CHANCE out of X number of observations, etc.").</p><p></p><p>Ok...so much for the "technical" aspects of testing...lol.</p><p></p><p> :cboy:</p></blockquote><p></p>
[QUOTE="Running Arrow Bill, post: 243642, member: 9"] Regarding ultrasound "testing" and "interpretation": First, ANY diagnostic procedure (e.g., medical, psychological, academic, veterinary, etc.) first uses a "test" procedure using "test equipment". The results and information from the test vary with the type of test used. A "test" can be simply visual (e.g., behavioral observation), using special "Tests" (procedures), or special equipment appropriate for the test being used. Second, a "test" is "Scored" based on relative criteria (observed or inferred evidence, standard scores, historical averages, lab results, etc.). Third, a "test" is "interpreted" by a qualified practitioner, based on test scores, field notes, etc. Fourth, a "conclusion" (e.g., diagnosis) is arrived at based on the interpretation of test results. Fifth, a plan of action (e.g., treatment, procedure, decision) is then presecribed based on the "diagnosis". In sum, a "test" can be anything as simple as a "Yes/No" observation (e.g., pregnant or not, male or female, yellow car or not). It can be as complicated as a series of "sub-tests" which contribute to the "total test" (score or results). The "accuracy" of any test is highly relative to the statistical probability issues of "Validity" and "Reliability" which are based on the level of statistical significance (e.g., at the .01, .05, .001 level), etc. As in "what are the chances that X result can happen BY CHANCE out of X number of observations, etc."). Ok...so much for the "technical" aspects of testing...lol. :cboy: [/QUOTE]
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