Table 2.

Summary results of the mixed models: effects of trial phase on swim speed, the proportion of first button presses by the individual released, and first time between both individuals pressing their button. (Phase 1 was the reference category.)

model	parameter	estimate	confidence interval
(LMM) swim speed of delayed animal	phase 2	−0.226	−0.494 to 0.044
	phase 3	0.350	0.114 to 0.586
	phase 4	1.079	0.788 to 1.370
(GLMM) first button press	phase 2	−0.522	−1.265 to 0.209
	phase 3	−0.996	−1.643 to −0.388
	phase 4	−1.454	−2.173 to −0.766
(LMM) button press interval	phase 2	−0.188	−0.259 to −0.118
	phase 3	−0.159	−0.224 to −0.096
	phase 4	−0.205	−0.282 to −0.127