Question

Reliability and measurement validity are two key concepts in Research Methods. Provide one example of each to demonstrate your understanding of these terms and include in your post a YouTube video, article, or website that further advances your understanding of reliability and measurement validity.

Answer 1

Reliability additionally applies to individual measures. once folks take a vocabulary check twofold, their scores on the 2 occasions ought to be terribly similar. If so, the check will then be delineate as reliable. To be reliable, a listing activity vanity ought to offer identical result if given doubly to identical person at intervals a brief amount of your time. ratio tests shouldn't offer totally different results over time (as intelligence is assumed to be a stable characteristic).

Measurement Validity refers to the credibleness or quality of the analysis. live} the findings genuine? Is hand strength a legitimate measure of intelligence? nearly actually the solution is "No, it is not." Is score on the weekday a legitimate predictor of GPA throughout the primary year of college? the solution depends on the number of analysis support for such a relationship.

There ar 2 aspects of validity:

Internal validity - the instruments or procedures utilized in the analysis lived what they were speculated to measure. Example: As a part of a stress experiment, folks ar shown photos of war atrocities. once the study, they're asked however the photographs created them feel, and that they respond that the photographs were terribly displeasing. during this study, the photos have smart internal validity as stress producers.

External validity - the results is generalized on the far side the immediate study. so as to own external validity, the claim that spaced study (studying in many sessions prior to time) is healthier than cramming for exams ought to apply to quite one subject (e.g., to scientific discipline still as history). It ought to additionally apply to folks on the far side the sample within the study.