Health Sciences 2801A/B Study Guide - Midterm Guide: Standard Deviation, Scatter Plot, Pearson Product-Moment Correlation Coefficient
2 Nov 2017
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Document Summary
Construct: experience, conceptual continuum that describes our experience of the world, measurement is the process of using one or more indicators to represent a construct. Examples of measure systems: a mercury thermometer, construct: temperature, every construct can be measured in different ways by using different indicators. Common cold symptoms (indicators) runny nose, sneezing, fever, cough, Range of convenience etc: measurement instruments have different ranges that complement their purpose, the meaning of a score depends on its place among other scores within the same context, examples of different measurement tools: Issue of whether the number of indicators is sufficient to represent the construct. If a construct has multiple characteristics, there needs to be multiple indicators: ex. Beck depression inventory: 21 indicators that are characteristics of depression: ex. Temperature only has one indicator (extent of mercury: ex. Multiple levels of difficulty: ra(cid:448)e(cid:374)s" p(cid:396)og(cid:396)essi(cid:448)e mat(cid:396)i(cid:272)es: test of a(cid:271)st(cid:396)a(cid:272)t (cid:396)easo(cid:374)i(cid:374)g a(cid:271)ilit(cid:455) that sho(cid:449)s geometric patterns that get increasingly difficult.
