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Table 4 T-tests on the differences in the mean values of the attitudes between the higher science literacy group and the lower science literacy group towards gene-edited foods

From: Effects of information on consumer attitudes towards gene-edited foods: a comparison between livestock and vegetables

 

Item

Group

mean

sd

Df

t (Welch’s test)

p-value

Group mean difference [95% CI]

Cohen’s d

L

1. Increasing size of livestock by 20% (increase by a factor of 1.2)

High

2.95

1.15

4112.31

1.60

0.109

0.052 [− 0.012, 0.116]

0.048

Low

2.90

1.01

2. Increasing size of livestock by 50% (increase by a factor of 1.5)

High

2.76

1.17

4107.94

0.02

0.985

0.001 [− 0.064, 0.065]

0.001

Low

2.76

1.02

3. Making livestock more resistant to disease

High

3.72

1.03

4218.48

4.02

0.000

0.120 [0.062, 0.179]

0.121

Low

3.60

0.96

4. Improving nutritional value of livestock

High

3.46

1.12

4118.04

0.92

0.356

0.029 [− 0.033, 0.091]

0.028

Low

3.43

0.98

5. Improving the taste of livestock

High

3.50

1.12

4141.29

1.60

0.110

0.051 [− 0.012, 0.114]

0.048

Low

3.45

1.00

V

1. Increasing size of vegetables by 20% (increase by a factor of 1.2)

High

3.26

1.10

4123.92

4.26

0.000

0.133 [0.072, 0.194]

0.129

Low

3.13

0.97

2. Increasing size of vegetables by 50% (increase by a factor of 1.5)

High

3.07

1.14

4099.44

2.85

0.004

0.091 [0.028, 0.154]

0.086

Low

2.98

0.99

3. Making vegetables more resistant to disease

High

3.81

1.01

4240.20

5.90

0.000

0.172 [0.115, 0.229]

0.178

Low

3.64

0.94

4. Improving the nutritional value of vegetables

High

3.75

1.01

4198.22

3.09

0.002

0.094 [0.034, 0.153]

0.093

Low

3.66

0.96

5. Improving the taste of vegetables

High

3.70

1.08

4147.82

2.59

0.010

0.079 [0.019, 0.140]

0.078

Low

3.62

0.96

  1. Sample size for each group: n = 2051 (higher science literacy group), n = 2463 (lower science literacy group)