Lecture 2 - Organizaing and displaying data

Lecture 2 - Organizaing and displaying data - Measurement -...

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Measurement - process of obtaining test scores. Statistics - methodology for analyzing the scores to enhance interpretation.
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In this course, we use statistics: In this course, we use statistics: To describe a set of scores. To standardize scores. To estimate validity and reliability.
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The Meaning of Statistics What does statistics means Is a body of techniques and procedures dealing with the collection, organization, analysis, interpretation, and presentation of information that can be stated numerically.
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The Uses of Statistics Descriptive statistics Deals with the enumeration, organization and graphical representation of data Inferential statistics Is concerned with reaching conclusions from incomplete information
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Sources of Data Surveys and experiments Retrospective studies (case studies) Sample selection begins with the outcome variable Prospective studies (cohort studies) The stimulus variable is known advance
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This note was uploaded on 05/05/2008 for the course KIN 369 taught by Professor Furoungxi during the Spring '08 term at Rhode Island.

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Lecture 2 - Organizaing and displaying data - Measurement -...

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