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Table 3 Chitwan National Park buffer zone population with positive, negative and ambivalent attitudes to snakes

From: Public perceptions of snakes and snakebite management: implications for conservation and human health in southern Nepal

Hypothesis tests (for all respondents with different responses to attitude test questions, please, see questions in Table 6)

Median, range

Mean ± SEM

sd

W (res)

p-value

95 % CI

a. With positive attitudes (n = 15, see Table 6 .a); H0: M = M0 (70), Ha: M > M0 (70)

99, 12–148

91.6 ± 11.08

42.92

90

0.047

70.5–Inf

b. With negative attitudes (n = 14, Table 6 .b); H0: M = M0 (9), Ha: M > M0 (9)

13, 0–129

28.86 ± 9.84

36.82

81.5

0.037

8.5–Inf

c. With ambivalent attitudes (n = 9, see Table 6 .c); H0: M = M0 (14), Ha: M > M0 (14)

22, 7–62

28.11 ± 6.78

20.33

31

0.040

14.5–Inf

  1. Abbreviations: n sample size i.e. total number of attitude test questions, SEM standard error of mean, sd standard deviation, W(res) value for one-tailed one-sample Wilcoxon signed rank test of respondents with attitudes (Table 6) to snake and their conservation, CI confidence interval, H0 null hypothesis, Ha alternative hypothesis, M population median, M0 hypothesized median