Table 1 Statistical analyses for first discoverers (memory experiment).

From: Information Certainty Determines Social and Private Information Use in Ants

Variable

Treatment

Value

Test statistic

P-value

Transport latency

Informed

27.7 ± 4.3 (min)

χ2 = 7.57

p = 0.006

Naïve

47.7 ± 8.7 (min)

No. pre-transport visits

Informed

4.8 ± 0.5

χ2 = 75.67

p < 0.0001

Naïve

6.3 ± 0.7

Pre-transport inter-visit time

Informed

5.2 ± 0.5 (min)

χ2 = 1.20

p = 0.27

Naïve

6.2 ± 0.5 (min)

Pre-transport visit duration

Informed

1.3 ± 0.1 (min)

χ2 = 4.23

p = 0.04

Naïve

1.9 ± 0.2 (min)

Cumulated time spent in nest before transport g (min)

Informed

6.3 ± 1 (min)

χ2 = 6.93

p = 0.0085

Naïve

11.7 ± 2.7 (min)

No. tandem runs led

Informed

2.1 ± 0.6

χ2 = 14.11

p < 0.0005

Naïve

2.6 ± 0.5

Nest population at first transport

Informed

2.2 ± 0.4

χ2 = 12.46

p < 0.0005

Naïve

4.1 ± 1

  1. Test statistics (Wald χ2) and p-values are provided for the effect of treatment on each variable (GLMM with colony and date of experiment as random factors).
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