Item Response Theory

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Psychometrics
Psychometrics

Measurement is the process of assigning numbers to attributes. As a society, we take measurements of almost everything—weight, height, temperature, the speed our car is going, the amount of time using our phones, and the amount of money in our …

Educational Psychology
Educational Psychology

The purpose of this study was to evaluate and thematically synthesize educational psychology and counseling research over the last 50 years. We used bibliometric measures to identify the top 20 articles for each decade, from 1970–2019. We then …

Measurement
Measurement

Measurements provide quantitative information that is critical in studying and practicing chemistry. Each measurement has an amount, a unit for comparison, and an uncertainty. Measurements can be represented in either decimal or scientific notation. …

Planning and Controlling Project Quality
Planning and Controlling Project Quality

Learning Objectives Define statistical measurement terminology. Identify sources of information for the planning process. Identify and describe the techniques for controlling project quality. Describe the results of planning and controlling…