SYSTEM EFFECTIVENES INLS 782
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This 2 page Class Notes was uploaded by Verla Kunde on Sunday October 25, 2015. The Class Notes belongs to INLS 782 at University of North Carolina - Chapel Hill taught by Staff in Fall. Since its upload, it has received 15 views. For similar materials see /class/228761/inls-782-university-of-north-carolina-chapel-hill in Library and Information Science at University of North Carolina - Chapel Hill.
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Date Created: 10/25/15
MS 782 Fall 2006 9 INTRODUCTION TO DATA ANALYSIS Preliminary step preanalysis of data Good idea to developing a coding manual to document the way your data is entered for analysis Categorical data Yesno traditionally 1 and 0 Cannot be interpreted as numbers but allows for simple frequency counts of yes answers Multiple categories Can use alpha values as well as numeric avoids confusion later Ordinal data Multiplechoice question with ordered responses Code numerically so ranking analyses can be completed Interval and ratio data Code with actual values If derived from ordered equalinterval categories begin with 1 Sometimes reverse scoring is necessary do with program rather than data entry Qualitative data Create text les organized in a way that will aid later analysis Special considerations Reverse scoring Converting individual items into variables Collapsing values into categories grouping
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