Psychometrics | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-12-07

This is an audio version of the Wikipedia Article:
Psychometrics


00:01:10 1 Historical foundation
00:01:42 1.1 Victorian stream
00:03:25 1.2 German stream
00:04:24 1.3 20th century
00:06:32 2 Definition of measurement in the social sciences
00:09:25 3 Instruments and procedures
00:11:07 4 Theoretical approaches
00:12:51 4.1 Key concepts
00:16:44 5 Standards of quality
00:17:24 5.1 Testing standards
00:18:34 5.2 Evaluation standards
00:19:48 6 Non-human: animals and machines



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"The only true wisdom is in knowing you know nothing."
- Socrates



SUMMARY
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Psychometrics is a field of study concerned with the theory and technique of psychological measurement. As defined by the National Council on Measurement in Education (NCME), psychometrics refers to psychological measurement. Generally, it refers to the field in psychology and education that is devoted to testing, measurement, assessment, and related activities.The field is concerned with the objective measurement of skills and knowledge, abilities, attitudes, personality traits, and educational achievement. Some psychometric researchers focus on the construction and validation of assessment instruments such as questionnaires, tests, raters' judgments, and personality tests. Others focus on research relating to measurement theory (e.g., item response theory; intraclass correlation).
Practitioners are described as psychometricians. Psychometricians usually possess a specific qualification, and most are psychologists with advanced graduate training. In addition to traditional academic institutions, many psychometricians work for the government or in human resources departments. Others specialize as learning and development professionals.