Effect of Rancher’s Management Philosophy, Grazing Practices, and Personal Characteristics on Sustainability Indices for North Central Texas Rangeland Page: 61
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Other categorical questions were coded as yes/no dichotomous variables, with 0 = no and
1 = yes. These questions were found in Section 1, Questions 1, 2, 3, and 4; Section 2, Economic
Considerations, Question 1 and 2; Section 3, Native Rangeland Management, Questions 3 and 4;
Section 5, Quality of Life, Questions 1, 3, and 4 ; and Section 6, Personal Characteristics,
Questions 10, 11, and 12.
Finally, continuous data were entered with actual values. These included section 3,
Native Rangeland Management, Question 2; and Section 6, Personal Characteristics, Questions
2, 3, 4, 9, 13, 14, 15, and 16.
Missing values were coded as 99. Questions where the respondent marked "DK",
indicating "Don't Know", were coded as 98. Data were analyzed initially with SPSS (SPSS,
Statistical analyses were conducted using a combination of statistical software. SPSS 18.0
(SPSS, 2009) was used whenever possible. When procedures called for methods not supported
by SPSS, statistical packages which were available in R-version 2.13.0 (R-2.13.0, 2011) software
was utilized. An analysis of descriptive statistics including N, mean, sum, standard deviation,
variance, range, minimum, maximum, standard error of the mean, kurtosis, kurtosis standard
error, skewness, and skewness standard error was conducted using SPSS.
The complexity of the desired analysis and the small size of the data set, made it
imperative to retain all cases available, therefore, missing data needed to be addressed. One
common solution is omission of variables or cases in the study with many instance of missing
data (Starkweather, 2011 a).
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Becker, Wayne. Effect of Rancher’s Management Philosophy, Grazing Practices, and Personal Characteristics on Sustainability Indices for North Central Texas Rangeland, dissertation, December 2011; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc103289/m1/72/: accessed April 29, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .