Table 1. Themes identified by soccer referees during interviews.

Themes

Consensus

Number of units

% of units

Crowd factors

5/5

37

20.3

Accuracy/Error

5/5

27

14.8

Experience

5/5

21

11.5

Regulations

5/5

18

9.9

Opinion

5/5

16

8.8

Concentration/Avoidance

5/5

9

4.9

Player reaction

4/5

13

7.1

Control

4/5

13

7.1

Professionalism

4/5

8

4.4

Personality

3/5

8

4.4

Personal life

3/5

6

3.3

Environmental factors

3/5

5

2.8

Crowd interaction

2/5

3

1.6