Project Blue Book Special Report No. 14 (Analysis of Reports of Unidentified Aerial Objects)

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TABLE OF CONTENTS
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SUMMARY.
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INTRODUCTION
ORIGIN AND NATURE OF DATA
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REDUCTION OF DATA TO MECHANIZED COMPUTATION FORM
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Questionnaire .
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Coding System and Work Sheet
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Identification of Working Papers.
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Evaluation of Individual Reports
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ANALYSIS OF THE DATA.
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Frequency and Percentage Distributions by Characteristics
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Graphical Presentation .
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Advanced Study of the Data
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Position of the Sun Relative to the Observer
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Statistical Chi Square Test
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The "Flying Saucer" Model
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CONCLUSIONS
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APPENDIX A.
TABULATION OF FREQUENCY AND PERCENTAGE
DISTRIBUTIONS BY CHARACTERISTICS
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APPENDIX B. WORKING PAPER FORMS
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Figure 2
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Figure 3
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Figure 4
Figure 5
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Figure 6
Figure 7
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Figure 8
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Figure 9
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Figure 10
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Figure 11
Figure 12
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Figure 13
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LIST OF ILLUSTRATIONS
Frequency of Sightings by Year for Object, Unit, and All Sightings
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Distribution of Evaluations of Object, Unit, and All Sightings for All Years
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Distribution of Object Sightings by Evaluation for All Years With Comparisons
of Each Year for Each Evaluation Group •
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Distribution of Object Sightings by Evaluation for All Years and Each Year
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Distribution of Object Sightings by Evaluation Within Months for All Years
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Distribution of Object Sightings by Certain and Doubtful Evaluations for
All Years and Each Year •
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Frequency of Object Sightings and Unknown Object Evaluations by
Months, 1947-1952.
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Distribution of Object Sightings by Sighting Reliability Groups With
Evaluation Distributions for Each Group .
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Distribution of Object Sightings Among the Four Sighting Reliability
Groups for All Years and Each Year .
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Distribution of All Sightings by Sighting Reliability Groups, Segregated
by Military and Civilian Observers, With Evaluation Distribution
for Each Segregation
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Distribution of Object Sightings by Reported Colors of Object(s) With
Evaluation Distribution for Each Color Group •
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Distribution of Object Sightings by Number of Objects Seen per Sighting
With Evaluation Distribution for Each Group
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Distribution of Object Sightings by Duration of Sighting With Evaluation
Distribution for Each Duration Group .
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