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277V 48 17 2011 D P E R S P E C T I V EP E R S P E C T I V EP E R S P E C T I V EP E R S P E C T I V EP E R S P E C T I V E Sensitivity and specificity are two components that measure the inherent va. 277V 48 17, 2011 D P E R S P E C T I V EP E R S P E C T I V EP E R S P E C T I V EP E R S P E C T I V EP E R S P E C T I V E Sensitivity and specificity are two components that measure the inherent va . Dichotomous Key. What: A dichotomous key is a series of questions, each with only two answers. . Who: Scientists. Where: All over the World. When: If you need to identify an unknown organism. Why: To help identify an organisms genus and species. bstacle . c. ourse. , . the . Sherbrooke. Functional Evaluation of the Risk of Falls in Elderly . (SFERE. ): . reliability and validity . study. Presented. by: . Corriveau. Hélène, PT, . PhD. Karahasanovic. Thinking Questions. What is an IV?. What is a DV?. What is repeated measures design?. What is matched pairs design?. What is independent groups design?. What is a hypothesis? Can you name the 3 types . a set of paired statements that describe physical characteristics of different organisms. Dichotomous Key: Name that potato chip!. ?. ?. ?. ?. ?. ?. ?. Now it’s Your Turn to Practice using a dichotomous key!!. Is the Test Appropriate, Useful, and Meaningful?. Properties of Validity. Does the test measure what it purports to measure?. Validity is a property of inferences that can be made.. Validity should be established over multiple inferences.. Mr. Jones. 6/14/2013. Common Core RST6-8.3 Follow precisely a multistep procedure when carrying out experiments.. CA Science Standard: 3d. Students know how to construct a simple branching diagram to classify living . Reliability gets more attention:. Easier to understand. Easier to measure. More formulas (like stats!). Base for validity. Need for validity. Does test measure what it claims?. Can test be used to make decisions?. April, 4 - 8, 2017 - Palazzo Feltrinelli - Gargnano, Lago di Garda, . Italy. . Giovanni . Casazza. Outline. DIAGNOSIS: the . pathway. of . a . diagnostic. . test from . bench. . to . bedside. . Basic . David Oglesby. Partner Language Training Center Europe. What is Validity?. Merriam-Webster: (the quality of being) . well-grounded. (OE) or . justifiable. . (AF. ); at once . relevant. (ML) and . Laboratory Update. Region I. Wells Beach, Maine. June 1-3, 2009. Richard . Steece. , Ph.D., D(ABMM). DrRSteece@aol.com. Chlamydia and Gonorrhea “102”. Tests - Old and New. Test Performance Issues. Jamie DeLeeuw, Ph.D.. 5/7/13. Reliability. Consistency of measurement. The measure itself is dependable.. ***A measure must be reliable to be valid!***. High reliability = greater consistency = lower randomness (error). Please sit down if you:. Are taller than 5’9”. Have blonde Hair . Have brown Eyes. Are left-Handed. Why Classify?. To study the diversity of life, biologists use a . classification . system to name organisms and group them in a logical manner. When a biologist wants to identify a plant or animal they have found, they often use an identification key which contains the major characteristics of groups of organisms. . A . dichotomous key. is one type of identification key. The term dichotomous means "divided into two parts or categories”. .