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Table 5 Evaluation of confidence intervals of unstandardized beta coefficients from predictor variables across evolution acceptance instruments used to determine if results across analyses are different

From: Different evolution acceptance instruments lead to different research findings

  MATE/Micro MATE/Macro MATE/Human MATE/GAENE MATE/100 Micro/Macro Micro/Human Micro/GAENE Micro/100 Macro/Human Macro/GAENE Macro/100 Human/GAENE Human/100 GAENE/100 # of diff
College GPA 0
Course level 0
Parent education X X 2
Evolution understanding X X X X X X X X X 9
NOS understanding X X X X 4
Religiosity X X X X 4
Catholic 0
Protestant/LDS X X X X X X X X X 9
Muslim X X 2
Other religion X X X X 4
Democrat 0
Republican X X X X X 5
Black/Af. Am. 0
Hispanic X X X X 4
Asian 0
Other race/ethnicity X 3
  1. Each column shows the comparison between two evolution acceptance instruments. Each row is a predictor variable that was included in every regression. Each cell indicates whether the confidence intervals of two instruments overlap. If the confidence intervals overlap, it is indicated with a “✔”; a “X” indicates that the two confidence intervals do not overlap and thus the beta coefficients are different from one another beyond sampling variability. The far right column summarizes the number of instances where confidence intervals do not overlap. Note that this is a conservative approach and those with overlapped confidence intervals may also be different (Schenker and Gentleman 2001)