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. Author manuscript; available in PMC: 2017 Aug 4.
Published in final edited form as: Atten Percept Psychophys. 2017 Aug;79(6):1695–1725. doi: 10.3758/s13414-017-1328-3

Table 3.

Main effects and interactions for Experiment 1

F Value p Value ηp2 1–β N Needed
Overall Search
  Black
    Trial Type 166.19 <.001 .856 1.000 6
    Search Difficulty 143.62 <.001 .837 1.000 6
    Speaker Group 0.26 .612 .009 .068 1,064
    Trial Type × Search Difficulty 15.88 <.001 .362 .947 21
    Trial Type × Speaker Group 0.02 .893 .001 .052 9,629
    Search Difficulty × Speaker Group 0.96 .388 .033 .126 286
    Trial Type × Search Difficulty × Speaker Group 0.31 .735 .011 .073 870
  Color
    Trial Type 94.93 <.001 .772 1.000 7
    Search Difficulty 278.40 <.001 .909 1.000 5
    Speaker Group 0.02 .880 .001 .052 9,629
    Trial Type × Search Difficulty 72.16 <.001 .720 1.000 8
    Trial Type × Speaker Group 0.01 .944 .000 <.050 96,341
    Search Difficulty × Speaker Group 0.25 .778 .009 .068 1,064
    Trial Type × Search Difficulty × Speaker Group 0.25 .778 .009 .068 1,064
First Fixations
  Black
    Search Difficulty 74.26 <.001 .726 1.000 8
    Speaker Group 0.02 .887 .001 .052 9,629
    Search Difficulty × Speaker Group 0.41 .666 .014 .080 682
  Color
    Search Difficulty 199.13 <.001 .877 1.000 5
    Speaker Group 0.56 .459 .020 .094 476
    Search Difficulty × Speaker Group 1.02 .368 .035 .131 269
Decision Times
  Black
    Search Difficulty 8.01 .001 .222 .697 37
    Speaker Group 0.27 .606 .010 .071 957
    Search Difficulty × Speaker Group 3.06 .055 .098 .315 92
  Color
    Search Difficulty 47.18 <.001 .636 1.000 9
    Speaker Group 0.06 .808 .002 .054 4,811
    Search Difficulty × Speaker Group 1.43 .248 .050 .171 187