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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: J Exp Psychol Gen. 2015 Jun;144(3):539–550. doi: 10.1037/xge0000075

Table 3.

Parameter estimates for English growth curve analysis of object fixations.

β Std. Error t p
Group: Intercept 0.022 0.046 0.473 0.64
Group: Linear 0.350 0.866 0.405 0.69
Group: Quadratic −0.740 0.626 −1.182 0.24
Group: Cubic −0.586 0.361 −1.622 0.10
Item Type: Intercept −0.028 0.007 −3.907 <0.005
Item Type: Linear −0.151 0.202 −0.748 0.45
Item Type: Quadratic 0.465 0.206 2.257 0.02
Item Type: Cubic 0.071 0.227 0.312 0.76
Group*Item Type: Intercept −0.020 0.014 −1.382 0.17
Group*Item Type: Linear 0.426 0.404 1.055 0.29
Group*Item Type: Quadratic 0.394 0.412 0.955 0.34
Group*Item Type: Cubic 0.178 0.454 0.392 0.69

Note. P-values estimated using the normal approximation for the t-values.