The Company of Biologists

Table 3.

Correlation coefficients for ϵ₂ data

Species	Experiment	Magnitude vs rate	Magnitude vs load time	Rate vs load time	Magnitude vs load time STD	Magnitude vs cycle time	Magnitude vs duty factor	Magnitude vs unload time	Magnitude vs unload rate	Unload rate vs unload time
Aotus	9	0.734*** (251)	-0.399*** (251)	0.241*** (251)	-0.214*** (251)	-0.321*** (384)	-0.402*** (167)	-0.523*** (195)	0.802*** (195)	0.017^NS (195)
Aotus	10	0.612*** (181)	0.058^NS (181)	0.797*** (181)	0.013^NS (181)	0.099^NS (195)	-0.235** (167)	-0.458*** (176)	0.524*** (176)	0.425*** (176)
Aotus	31	0.709*** (112)	-0.237* (112)	0.394*** (112)	-0.049^NS (112)	-0.108^NS (119)	0.088^NS (103)	0.021^NS (109)	0.825*** (109)	0.535*** (109)
Capra	12	0.750*** (20)	0.556* (20)	0.928*** (20)	0.553* (20)	0.150^NS (24)	0.405^NS (20)	-0.306^NS (24)	0.296^NS (24)	0.793*** (24)
Capra	14	0.900*** (28)	0.648*** (28)	0.894*** (28)	0.666*** (28)	-0.141^NS (28)	0.624*** (28)	0.061^NS (28)	0.846*** (28)	0.556** (28)
Capra	16	0.826*** (16)	0.422^NS (16)	0.844*** (16)	0.509* (16)	-0.516* (22)	0.590* (16)	-0.307^NS (22)	0.942*** (22)	0.023^NS (22)
Capra	20	0.901*** (48)	0.247^NS (48)	0.555*** (48)	0.128^NS (44)	0.038^NS (44)	-0.165^NS (44)	-0.615*** (48)	0.817*** (48)	-0.080^NS (48)
Capra	33	0.461* (28)	-0.168^NS (28)	0.778*** (28)	-0.139^NS (28)	0.078^NS (41)	-0.266^NS (26)	-0.250^NS (26)	0.549** (26)	0.652*** (26)
Chlorocebus	59	0.076^NS (25)	-0.295^NS (25)	0.827*** (25)	-0.233^NS (25)	-0.134^NS (63)	-0.385^NS (14)	-0.449** (34)	0.526** (34)	0.428* (34)
Chlorocebus	96	0.350** (79)	-0.257* (79)	0.760*** (79)	-0.094^NS (79)	-0.138^NS (87)	-0.191^NS (75)	-0.405*** (82)	0.512*** (82)	0.486*** (82)
Equus	35	0.904*** (39)	0.072^NS (39)	0.630*** (39)	0.185^NS (35)	-0.198^NS (36)	-0.030^NS (33)	-0.575*** (38)	0.821*** (38)	-0.181^NS (38)
Equus	53	-0.104^NS (55)	-0.459*** (55)	0.956*** (55)	-0.516*** (51)	0.437*** (54)	-0.524*** (51)	-0.006^NS (58)	0.481*** (58)	0.860*** (58)
Eulemur	67	0.811*** (60)	0.233^NS (60)	0.688*** (60)	0.164^NS (60)	0.282** (93)	-0.016^NS (60)	-0.313** (93)	0.659*** (93)	0.414*** (93)
Eulemur	70	0.826*** (75)	0.404*** (75)	0.814*** (75)	0.274* (75)	-0.034^NS (83)	0.118^NS (75)	-0.156^NS (80)	0.760*** (80)	0.472*** (80)
Eulemur	71	0.813*** (232)	0.091^NS (232)	0.602*** (232)	0.121^NS (232)	0.016^NS (235)	0.230*** (230)	0.281*** (231)	0.914*** (231)	0.603*** (231)
Lama	40	0.303^NS (27)	-0.087^NS (27)	0.849*** (27)	0.025^NS (25)	-0.391^NS (25)	0.248^NS (25)	0.275^NS (26)	0.482* (26)	0.943*** (26)
Lama	50	0.696*** (58)	-0.213^NS (58)	0.489*** (58)	-0.229^NS (51)	0.204^NS (62)	-0.537*** (49)	-0.399** (58)	0.714*** (58)	0.384** (58)
Lama	52	0.515** (32)	-0.393* (32)	0.560*** (32)	-0.287^NS (30)	-0.157^NS (30)	-0.159^NS (29)	0.109^NS (31)	0.537** (31)	0.846*** (31)
Lama	56	0.894^NS (4)	0.800^NS (4)	0.984* (4)		-0.486^NS (15)		-0.536^NS (7)	-0.571^NS (7)	0.964*** (7)
Macaca	38	-0.199* (162)	-0.541*** (162)	0.906*** (162)	-0.549*** (162)	0.236** (167)	-0.472*** (158)	-0.059^NS (162)	0.310*** (162)	0.908*** (162)
Macaca	46	0.466*** (58)	0.031^NS (58)	0.864*** (58)	-0.273* (58)	0.002^NS (62)	-0.231^NS (54)	-0.070^NS (54)	0.602*** (54)	0.703*** (54)
Macaca	48	0.665*** (90)	0.100^NS (90)	0.789*** (90)	0.079^NS (90)	-0.007^NS (95)	-0.013^NS (85)	-0.290** (86)	0.503*** (86)	0.702*** (86)
Macaca	79	0.541*** (55)	0.033^NS (55)	0.810*** (55)	-0.157^NS (55)	0.450*** (55)	-0.281* (53)	-0.189^NS (53)	0.408** (53)	0.773*** (53)
Macaca	81	0.660*** (65)	0.033^NS (65)	0.735*** (65)	0.006^NS (65)	0.099^NS (66)	-0.119^NS (63)	-0.076^NS (64)	0.522*** (64)	0.757*** (64)
Macaca	83	0.702*** (100)	-0.551*** (100)	0.024^NS (100)	-0.423*** (100)	-0.002^NS (101)	-0.572*** (99)	-0.628*** (100)	0.565*** (100)	0.071^NS (100)
Macaca	84	0.760*** (52)	-0.146^NS (52)	0.446*** (52)	-0.069^NS (52)	-0.165^NS (52)	-0.449*** (51)	-0.594*** (51)	0.294* (51)	0.510*** (51)
Macaca	791	0.653*** (40)	-0.130^NS (40)	0.580*** (40)	-0.295^NS (40)	0.225^NS (40)	-0.248^NS (40)	0.220^NS (40)	0.732*** (40)	0.788*** (40)
Otolemur	28	0.775*** (21)	-0.321^NS (21)	0.345^NS (21)	-0.087^NS (21)	-0.128^NS (21)	-0.097^NS (21)	-0.821*** (21)	0.865*** (21)	-0.486* (21)
Otolemur	63	0.911*** (26)	-0.562** (26)	-0.193^NS (26)	-0.467* (26)	0.072^NS (26)	-0.599** (26)	-0.557** (26)	0.863*** (26)	-0.083^NS (26)
Otolemur	921	0.834*** (90)	-0.175^NS (90)	0.403*** (90)	0.005^NS (90)	-0.266* (91)	0.087^NS (90)	-0.085^NS (91)	0.970*** (91)	0.108^NS (91)
Otolemur	922	0.897*** (13)	-0.750** (13)	-0.410^NS (13)	-0.513^NS (13)	-0.474^NS (13)	-0.223^NS (13)	-0.008^NS (13)	0.969*** (13)	0.225^NS (13)
Sus	101	0.826*** (48)	0.069^NS (48)	0.566*** (48)	-0.091^NS (48)	0.320* (50)	-0.177^NS (28)	0.083^NS (29)	0.884*** (29)	0.441* (29)
Sus	102	0.920*** (45)	-0.538*** (45)	-0.250^NS (45)	-0.339* (45)	0.138^NS (45)	-0.369* (45)	-0.539*** (45)	0.965*** (45)	-0.364* (45)
Sus	103	0.912*** (65)	0.440*** (65)	0.725*** (65)	0.565*** (65)	-0.654*** (66)	0.681*** (53)	0.576*** (53)	0.903*** (53)	0.820*** (53)
Sus	104	0.900*** (181)	0.084^NS (181)	0.453*** (181)	0.115^NS (181)	-0.189** (198)	-0.099^NS (174)	-0.383*** (186)	0.799*** (186)	0.179* (186)
Sus	105	-0.208^NS (22)	-0.391^NS (22)	0.946*** (22)	-0.461* (22)	0.230^NS (49)	-0.601** (21)	-0.320^NS (31)	0.912*** (31)	0.093^NS (31)
Sus	106	0.899*** (42)	0.255^NS (42)	0.528*** (42)	-0.022^NS (42)	0.086^NS (47)	-0.002^NS (41)	0.048^NS (46)	0.539*** (46)	0.820*** (46)
Varecia	91	0.857*** (47)	0.128^NS (47)	0.586*** (47)	0.226^NS (47)	-0.252^NS (51)	0.371* (46)	-0.114^NS (48)	0.941*** (48)	0.239^NS (48)
Varecia	93	0.779*** (46)	0.153^NS (46)	0.265^NS (46)	0.254^NS (46)	-0.177^NS (51)	0.115^NS (27)	-0.367* (29)	0.666*** (29)	0.142^NS (29)
Varecia	94	0.892*** (45)	0.444** (45)	0.784*** (45)	0.269^NS (45)	0.209^NS (53)	0.092^NS (41)	-0.241^NS (47)	0.951*** (47)	0.101^NS (47)

Species	Experiment	Magnitude vs rate	Magnitude vs load time	Rate vs load time	Magnitude vs load time STD	Magnitude vs cycle time	Magnitude vs duty factor	Magnitude vs unload time	Magnitude vs unload rate	Unload rate vs unload time
Aotus	9	0.734*** (251)	-0.399*** (251)	0.241*** (251)	-0.214*** (251)	-0.321*** (384)	-0.402*** (167)	-0.523*** (195)	0.802*** (195)	0.017^NS (195)
Aotus	10	0.612*** (181)	0.058^NS (181)	0.797*** (181)	0.013^NS (181)	0.099^NS (195)	-0.235** (167)	-0.458*** (176)	0.524*** (176)	0.425*** (176)
Aotus	31	0.709*** (112)	-0.237* (112)	0.394*** (112)	-0.049^NS (112)	-0.108^NS (119)	0.088^NS (103)	0.021^NS (109)	0.825*** (109)	0.535*** (109)
Capra	12	0.750*** (20)	0.556* (20)	0.928*** (20)	0.553* (20)	0.150^NS (24)	0.405^NS (20)	-0.306^NS (24)	0.296^NS (24)	0.793*** (24)
Capra	14	0.900*** (28)	0.648*** (28)	0.894*** (28)	0.666*** (28)	-0.141^NS (28)	0.624*** (28)	0.061^NS (28)	0.846*** (28)	0.556** (28)
Capra	16	0.826*** (16)	0.422^NS (16)	0.844*** (16)	0.509* (16)	-0.516* (22)	0.590* (16)	-0.307^NS (22)	0.942*** (22)	0.023^NS (22)
Capra	20	0.901*** (48)	0.247^NS (48)	0.555*** (48)	0.128^NS (44)	0.038^NS (44)	-0.165^NS (44)	-0.615*** (48)	0.817*** (48)	-0.080^NS (48)
Capra	33	0.461* (28)	-0.168^NS (28)	0.778*** (28)	-0.139^NS (28)	0.078^NS (41)	-0.266^NS (26)	-0.250^NS (26)	0.549** (26)	0.652*** (26)
Chlorocebus	59	0.076^NS (25)	-0.295^NS (25)	0.827*** (25)	-0.233^NS (25)	-0.134^NS (63)	-0.385^NS (14)	-0.449** (34)	0.526** (34)	0.428* (34)
Chlorocebus	96	0.350** (79)	-0.257* (79)	0.760*** (79)	-0.094^NS (79)	-0.138^NS (87)	-0.191^NS (75)	-0.405*** (82)	0.512*** (82)	0.486*** (82)
Equus	35	0.904*** (39)	0.072^NS (39)	0.630*** (39)	0.185^NS (35)	-0.198^NS (36)	-0.030^NS (33)	-0.575*** (38)	0.821*** (38)	-0.181^NS (38)
Equus	53	-0.104^NS (55)	-0.459*** (55)	0.956*** (55)	-0.516*** (51)	0.437*** (54)	-0.524*** (51)	-0.006^NS (58)	0.481*** (58)	0.860*** (58)
Eulemur	67	0.811*** (60)	0.233^NS (60)	0.688*** (60)	0.164^NS (60)	0.282** (93)	-0.016^NS (60)	-0.313** (93)	0.659*** (93)	0.414*** (93)
Eulemur	70	0.826*** (75)	0.404*** (75)	0.814*** (75)	0.274* (75)	-0.034^NS (83)	0.118^NS (75)	-0.156^NS (80)	0.760*** (80)	0.472*** (80)
Eulemur	71	0.813*** (232)	0.091^NS (232)	0.602*** (232)	0.121^NS (232)	0.016^NS (235)	0.230*** (230)	0.281*** (231)	0.914*** (231)	0.603*** (231)
Lama	40	0.303^NS (27)	-0.087^NS (27)	0.849*** (27)	0.025^NS (25)	-0.391^NS (25)	0.248^NS (25)	0.275^NS (26)	0.482* (26)	0.943*** (26)
Lama	50	0.696*** (58)	-0.213^NS (58)	0.489*** (58)	-0.229^NS (51)	0.204^NS (62)	-0.537*** (49)	-0.399** (58)	0.714*** (58)	0.384** (58)
Lama	52	0.515** (32)	-0.393* (32)	0.560*** (32)	-0.287^NS (30)	-0.157^NS (30)	-0.159^NS (29)	0.109^NS (31)	0.537** (31)	0.846*** (31)
Lama	56	0.894^NS (4)	0.800^NS (4)	0.984* (4)		-0.486^NS (15)		-0.536^NS (7)	-0.571^NS (7)	0.964*** (7)
Macaca	38	-0.199* (162)	-0.541*** (162)	0.906*** (162)	-0.549*** (162)	0.236** (167)	-0.472*** (158)	-0.059^NS (162)	0.310*** (162)	0.908*** (162)
Macaca	46	0.466*** (58)	0.031^NS (58)	0.864*** (58)	-0.273* (58)	0.002^NS (62)	-0.231^NS (54)	-0.070^NS (54)	0.602*** (54)	0.703*** (54)
Macaca	48	0.665*** (90)	0.100^NS (90)	0.789*** (90)	0.079^NS (90)	-0.007^NS (95)	-0.013^NS (85)	-0.290** (86)	0.503*** (86)	0.702*** (86)
Macaca	79	0.541*** (55)	0.033^NS (55)	0.810*** (55)	-0.157^NS (55)	0.450*** (55)	-0.281* (53)	-0.189^NS (53)	0.408** (53)	0.773*** (53)
Macaca	81	0.660*** (65)	0.033^NS (65)	0.735*** (65)	0.006^NS (65)	0.099^NS (66)	-0.119^NS (63)	-0.076^NS (64)	0.522*** (64)	0.757*** (64)
Macaca	83	0.702*** (100)	-0.551*** (100)	0.024^NS (100)	-0.423*** (100)	-0.002^NS (101)	-0.572*** (99)	-0.628*** (100)	0.565*** (100)	0.071^NS (100)
Macaca	84	0.760*** (52)	-0.146^NS (52)	0.446*** (52)	-0.069^NS (52)	-0.165^NS (52)	-0.449*** (51)	-0.594*** (51)	0.294* (51)	0.510*** (51)
Macaca	791	0.653*** (40)	-0.130^NS (40)	0.580*** (40)	-0.295^NS (40)	0.225^NS (40)	-0.248^NS (40)	0.220^NS (40)	0.732*** (40)	0.788*** (40)
Otolemur	28	0.775*** (21)	-0.321^NS (21)	0.345^NS (21)	-0.087^NS (21)	-0.128^NS (21)	-0.097^NS (21)	-0.821*** (21)	0.865*** (21)	-0.486* (21)
Otolemur	63	0.911*** (26)	-0.562** (26)	-0.193^NS (26)	-0.467* (26)	0.072^NS (26)	-0.599** (26)	-0.557** (26)	0.863*** (26)	-0.083^NS (26)
Otolemur	921	0.834*** (90)	-0.175^NS (90)	0.403*** (90)	0.005^NS (90)	-0.266* (91)	0.087^NS (90)	-0.085^NS (91)	0.970*** (91)	0.108^NS (91)
Otolemur	922	0.897*** (13)	-0.750** (13)	-0.410^NS (13)	-0.513^NS (13)	-0.474^NS (13)	-0.223^NS (13)	-0.008^NS (13)	0.969*** (13)	0.225^NS (13)
Sus	101	0.826*** (48)	0.069^NS (48)	0.566*** (48)	-0.091^NS (48)	0.320* (50)	-0.177^NS (28)	0.083^NS (29)	0.884*** (29)	0.441* (29)
Sus	102	0.920*** (45)	-0.538*** (45)	-0.250^NS (45)	-0.339* (45)	0.138^NS (45)	-0.369* (45)	-0.539*** (45)	0.965*** (45)	-0.364* (45)
Sus	103	0.912*** (65)	0.440*** (65)	0.725*** (65)	0.565*** (65)	-0.654*** (66)	0.681*** (53)	0.576*** (53)	0.903*** (53)	0.820*** (53)
Sus	104	0.900*** (181)	0.084^NS (181)	0.453*** (181)	0.115^NS (181)	-0.189** (198)	-0.099^NS (174)	-0.383*** (186)	0.799*** (186)	0.179* (186)
Sus	105	-0.208^NS (22)	-0.391^NS (22)	0.946*** (22)	-0.461* (22)	0.230^NS (49)	-0.601** (21)	-0.320^NS (31)	0.912*** (31)	0.093^NS (31)
Sus	106	0.899*** (42)	0.255^NS (42)	0.528*** (42)	-0.022^NS (42)	0.086^NS (47)	-0.002^NS (41)	0.048^NS (46)	0.539*** (46)	0.820*** (46)
Varecia	91	0.857*** (47)	0.128^NS (47)	0.586*** (47)	0.226^NS (47)	-0.252^NS (51)	0.371* (46)	-0.114^NS (48)	0.941*** (48)	0.239^NS (48)
Varecia	93	0.779*** (46)	0.153^NS (46)	0.265^NS (46)	0.254^NS (46)	-0.177^NS (51)	0.115^NS (27)	-0.367* (29)	0.666*** (29)	0.142^NS (29)
Varecia	94	0.892*** (45)	0.444** (45)	0.784*** (45)	0.269^NS (45)	0.209^NS (53)	0.092^NS (41)	-0.241^NS (47)	0.951*** (47)	0.101^NS (47)

Values are correlation coefficients (Pearson's r, or Spearman's rho); sample size is given in parentheses. NS, not significant(P>0.05); *P<0.05; **P<0.01;***P<0.001.

Sample sizes vary within an experiment because not all variables could be measured in all cycles.

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