Effect of Rancher’s Management Philosophy, Grazing Practices, and Personal Characteristics on Sustainability Indices for North Central Texas Rangeland Page: IV

Land Ownership and Grazing Management .................................35
Economic Benefits of Grazing Management Strategies ...............36
Societal Considerations for Private Rangeland.............................39
Suggestions for Econom ic Stability..............................................40
H olistic M anagem ent Principles ...............................................................42
Sustainable Range M anagem ent...............................................................45
Sum m ary of Literature Review .................................................................49
III. M A TERIA LS AN D M ETH OD S..........................................................................51
Study Area ................................................................................................51
Study Design.................................................................................53
Questionnaire D evelopm ent......................................................................54
Pilot Study.....................................................................................54
Research Instrum ent......................................................................57
Description of Data ...................................................................................58
Data Preparation............................................................................59
Data Entry .....................................................................................60
Statistical Analysis........................................................................61
Optim al Scaling ............................................................................68
Principal Com ponent Analysis .....................................................70
Sam pling A dequacy and Bartlett's Test .......................................73
Bayesian M odel A veraging...........................................................74
H ierarchical Regression Analysis .................................................75
A ssum ptions..................................................................................77
Cross V alidation............................................................................77
N on-Response Bias Survey...........................................................79
IV . RESU LTS ..............................................................................................................80
Study Im plem entation.......................................................................... 80
D escriptive Statistics....................................81
Variables of Interest by Section.......................82
Respondent Characteristics ......................................................... 85
D ata Issues .................................................................................. 91
Statistical Procedures ..............................................................................92

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