©the mcgraw-hill companies, inc., 2001irwin/mcgraw-hill analysis and presentation of data part 4
TRANSCRIPT
©The McGraw-Hill Companies, Inc., 2001
Irwin/McGraw-Hill
Analysis and Presentation of Data
Part 4
©The McGraw-Hill Companies, Inc., 2001
Irwin/McGraw-Hill
Donald Cooper
Pamela Schindler
Chapter 15
Business ResearchMethods
©The McGraw-Hill Companies, Inc., 2001
Irwin/McGraw-Hill
Chapter 15
Data Preparation and Description
The McGraw-Hill Companies, Inc., 2001
Irwin/McGraw-Hill
Click to edit Master title styleEditing
Detects errors and omissions, corrects them when possible, and certifies that minimum data quality standards are achieved
Slide 15 - 1
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Click to edit Master title styleEditing (cont.)
Guarantees that data areaccurateconsistent with other informationuniformly enteredcompletearranged to simplify coding and tabulation
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Click to edit Master title styleEditing
Field Editingtranslation of ad hoc abbreviations and
symbols used during data collectionvalidation of the field results.
Central Editing
Slide 15 - 3
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Click to edit Master title styleCoding
Rules that guide the establishment of category setsAppropriate to the research problem and
purposeExhaustiveMutually exclusiveDerived from one classification principle
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Click to edit Master title styleContent Analysis for Coding
Measures the semantic content of a messageResearches the objective, systematic, and
quantitative description of the content of a communication Syntactical unitReferential unitPropositional unitThematic unit
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Click to edit Master title styleData Entry Options
Optical scanning
Voice recognition
Keyboard
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Click to edit Master title styleData Entry Formats
Database with full screen editor
Spreadsheet
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Click to edit Master title styleDescriptive Statistics
Distribution Descriptors
Location
Central Tendency
Mean
Median
Mode
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Click to edit Master title styleDescriptive Statistics
Distribution Descriptors
SpreadVariance,
Standard Deviation,
Range,
Interquartile Range
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Click to edit Master title styleDescriptive Statistics
Distribution Descriptors
ShapeSkewness
Kurtosis
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