Table 3 Mean scores of responses by extension agents (EAs) with and without extension materials and chatbot to 32 questions.

From: Evaluating responses by ChatGPT to farmers’ questions on irrigated lowland rice cultivation in Nigeria

Question no

EA without extension materials

EAs with extension materials

Chatbot

1

3.3a

4.0a

3.8a

2

3.8a

3.4a

4.0a

3

4.0a

4.5a

4.0a

4

3.3b

3.5ab

4.5a

5

3.3b

3.3b

4.5a

6

3.0b

2.8b

4.8a

7

3.3b

3.5b

4.8a

8

2.8b

3.0b

4.8a

9

4.0a

3.8a

4.8a

10

3.8a

4.0a

4.0a

11

3.5a

3.5a

2.5b

12

3.8ab

4.0a

2.5b

13

2.0a

2.0a

3.0a

14

2.8a

3.0a

2.8a

15

3.5a

3.8a

3.0a

16

3.0a

2.8a

2.3a

17

3.3a

3.5a

3.8a

18

3.5a

3.5a

4.0a

19

2.8b

3.ab

3.8a

20

3.3a

3.5a

3.5a

21

2.3b

2.3b

4.5a

22

2.5b

2.8b

4.8a

23

4.0a

4.3a

3.0b

24

2.5a

2.8a

3.3a

25

3.3a

3.5a

3.8a

26

4.3a

4.5a

4.0a

27

3.3b

3.5b

4.3a

28

3.0a

3.0a

3.5a

29

2.5b

2.8b

4.5a

30

2.8a

2.8a

2.8a

31

2.8b

2.8b

4.8a

32

3.3b

3.3b

4.8a

Av

3.2b

3.3b

3.8a

  1. Within a row, different letters indicate statistically significant differences (P ≤ 0.05).