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Table 3 Inter-observer reliability between the two observers carrying out the video analysis

From: Effect of wither application of an analogue of pig appeasing pheromone on encounters between unfamiliar mini-pigs

Parameter

Spearman correlation coefficient (rho)

P

Walking

0.98

 < 0.0001

Standing inactive

0.98

 < 0.0001

Reciprocal look

0.96

 < 0.0001

Aggressiveness score

–

 

Agonistic behaviour

0.99

 < 0.0001

Aggressive signal/threat

0.96

 < 0.0001

Fighting

1.00

 < 0.0001

Fighting starter

–

 

Encounter duration

0.99

 < 0.0001

Need to stop the encounter

1.00

 < 0.0001

Total social nosing

1.00

 < 0.0001

Positive social nosing

0.97

 < 0.0001

Negative social nosing

0.95

 < 0.0001

Proximity

0.99

 < 0.0001

Tail movement

1.00

 < 0.0001

Sociability score

–

 

Latency of first contact without aggression

0.95

 < 0.0001

Latency of first contact with aggression

1.00

 < 0.0001

  1. When no correlation coefficient is shown, it is because only one observer analysed the parameter