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95<br />

TÀBIE 23<br />

Test times <strong>of</strong> adult subjects for 5 days <strong>in</strong> <strong>the</strong> Multiple Decision<br />

Procedure (Sevenhuysen, 1 984 ) .<br />

Test times (<strong>in</strong> seconds) uean <strong>of</strong><br />

Subject Day I Day II Day IIi Day IV Day V 5 days<br />

<strong>of</strong> subjects<br />

1, 3, 4 & 5<br />

1 287 179 1 65 170 161 192"8<br />

2 >629 >629 464 41 I 396<br />

3 341 191 172 1 68 14s 203.6<br />

4 354 276 229 176 231 253.3<br />

5 217 204 187 162 1 56 1 Bs.5<br />

Mean <strong>of</strong><br />

subjects 300.0 212"8 188.6 169.0 173.5 261.0<br />

1 ,3 ,4&5<br />

TÀBtE 24<br />

sources <strong>of</strong> variability <strong>in</strong> Dark Adaptation Test times <strong>of</strong> <strong>the</strong> Murtiple<br />

Decision Procedure (Sevenhuysen, 1984) "<br />

Var iabLe F-va1ue Pr>F<br />

Per son<br />

Day<br />

0rder<br />

Person/Day<br />

Day/Order<br />

4.97<br />

13.87<br />

29.94<br />

4.93<br />

8.10<br />

0. 0181<br />

0. 0002<br />

0"0001<br />

0.0024<br />

0.00'1 1

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