PPT-External validity:

to what populations do our study results apply Epidemiology matters a new introduction to methodological foundations Chapter 12 Seven steps Define the population of interest Conceptualize . Environmental issues. Naturally occurring variables: usual with several groups of people. Noise. Temperature. Light. Time of day. Seating arrangements. Artificiality:. Classroom or Office are not “real world” or “natural”. IB Syllabus Says:. Discuss the validity and reliability of diagnosis. Issues related to diagnosis: . http://. www.youtube.com/watch?v=xYemnKEKx0c. . http. ://. www.youtube.com/watch?v=gu7NDUc5TD4. . Value-Added systems. LaFollette. School of Public Affairs & value-added research center, university of Wisconsin-Madison. Robert Meyer, Research Professor and Director. VARC Partner Districts and States. 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 . Linthorne. and . Weetman. Corey, Betsy, Maria, Steve, Eric. Purpose. This study examined the effect of run-up velocity on the peak height achieved by the athlete in the pole vault and on the corresponding changes in the athlete’s kinematics and energy exchanges.. 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.. Starter. Answer the exam questions in silence, no notes! . 15 . The students thought that having a dog on a lead was a useful measure of considerate . behaviour. because it had face validity. Explain what is meant by face validity in this context. . Part 2. Foundations of Measurement for Human Resource Selection. CHAPTER. 5. ©2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.. Jill Hoxmeier. H615: Advanced Research Design. October 10, 2013. “Boy, a few more like that and I’ll be ready for Gamblers Anonymous”. Twin Problems of Construct Validity. Construct Validity: . Ottusch. . H615. October 11, 2013. What is external validity?. “Concerns inferences about the extent to which a causal relationship holds over variations in persons, settings, treatments, and outcomes.” (p. 83). 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). Some types of validity. Criterion-related . Content. Construct. All part of . unitarian. view of validity. Constructs - theoretical abstractions aimed at organizing and making sense of our environment; they are. Instrumentation: Validity Measuring Caring in Nursing Validity: Defined Extent to which instrument reflects abstract construct being examined; measures what it is supposed to measure Domain or Universe of Construct Cynthia Conn, PhD. Assistant Vice Provost, Professional Education Programs. Kathy Bohan, . EdD. Associate Dean, College of Education. Sue Pieper, PhD. Assessment Coordinator, Office of Curriculum, Learning .