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Ross Turner

Proficiency scales

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Described Proficiency Scales And Learning Metrics, Ross Turner Mar 2015

Described Proficiency Scales And Learning Metrics, Ross Turner

Ross Turner

We see the process of educational measurement as one of defining dimensions of educational progression and locating learners on those dimensions. Such dimensions are variously referred to as proficiency scales or learning metrics. When we measure something using a scale we can express how much of a given attribute is possessed by that something. We use a scale of centimetres or inches to describe the length of an object. We use a scale of hours and minutes to describe an amount of time. This is also the case for educational measurement: when we measure proficiency in a subject area we …

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Pisa – The Programme For International Student Assessment – An Overview, Ross Turner Nov 2006

Pisa – The Programme For International Student Assessment – An Overview, Ross Turner

Ross Turner

An overview of the PISA project is given in order to set a context for a consideration of the ways in which this large international assessment programme uses scientific measurement principles and techniques. The overview describes the goals of the project, its major organisational features (its participants, its procedures and organisational structure, its main implementation steps) and its major technical components (test design, test development, sampling, assessment operations, data scaling and analysis, and reporting). The ways in which measurement principles are used are interwoven with the discussion of the relevant technical components. The paper concludes with a detailed discussion of …

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