Table 1. Results from linear mixed effects model on variation in clam response.

This model explains variation in giant clam responses (a, number of retractions in 60 s, b, latency to close, c, latency to reemerge) following a multimodal stimulus experiment. The reference level was no stimulus.

Fixed effects	Estimate ± SE	P
(a) Number of retractions in 60 s
Intercept	0.535 ± 0.144	<0.001
Trial Number	0.0198 ± 0.347	0.569
After Plume Presence	−0.111 ± 0.077	0.150
Size	−0.323 ± 1.18	0.787
Treatment
Flow	0.280 ± 0.05	<0.001
Sound	0.169 ± 0.05	0.001
Flow + Sound	0.277 ± 0.05	<0.001
Subject ID	0.010	0.101
(b) Latency to close
Intercept	2.490 ± 1.125	0.032
Trial Number	−0.081 ± 0.248	0.743
After Plume Presence	0.188 ± 0.550	0.733
Size	19.685 ± 9.437	0.046
Treatment
Flow	0.177 ± 0.348	0.613
Sound	0.054 ± 0.361	0.882
Flow + Sound	0.749 ± 0.353	0.037
Subject ID	0.753	0.867
(c) Latency to reemerge
Intercept	1.465 ± 0.271	<0.001
Trial Number	0.012 ± 0.051	0.816
After Plume Presence	0.368 ± 0.112	0.002
Size	0.331 ± 2.346	0.889
Treatment
Flow	−0.114 ± 0.074	0.127
Sound	0.014 ± 0.079	0.859
Flow + Sound	0.024 ± 0.074	0.752
Subject ID	0.056	0.236