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13, binomial test)1. Analyses of the mean looking time of all fixations on the first box (where the agent has seen the ball being transferred) and the window above and as well as the second box (where the agent has not seen the ball being transferred) and the window above during the anticipation phase of the test trial did not result in any statistically significant effect [Mfirstbox = 533 ms, SD = 479 ms, Msecond box = 913 ms, SD = 682 ms, t(21) = 1.77, p = 0.09]. The infants�� first anticipatory look to the side where the actor last saw the ball and proportion of looking the side where the actor last saw the ball correlated (r = 0.77, p variables such as mean looking time toward the videos before the anticipation phase, referential looks toward the actor��s head, and number of correct anticipatory looks during the familiarization trials did not reveal any statistically significant findings. A-not-B Task and BSID The mean number of incorrect searches at location A was 1.4 (SD = 1.7, range 0�C5). Nine infants did not perform an incorrect search at location A, six infants searched at location A one time, two infants each searched at location A two, four, and five times, and one infants searched at location A three times. Infants�� mean IQ score in the BSID was 93.3 (SD = 10.3, range 79�C117). Four infants CAL-101 manufacturer received a score below 85, 17 infants received a score within 85 and 115, and one infant received a score above 115. In order to assess whether infants who were excluded performed worse in the A-not-B task than infants who were included in the study we compared their performance. We did not find a difference between both mean scores, M(excluded) = 1.4 (SD = 1.6), t task and the A-not-B task for the toddlers�� first fixation in the false-belief task (r = -0.02, p = 0.92, Spearman rank correlation, see Figure ?Figure22 for group differences between infants who anticipated correctly and incorrectly in the false-belief task) or for the proportion of mean looking time of fixations on the first box �C where the agent has seen the ball being placed (r = 0.11, p = 0.63, Spearman rank correlation). This remained after controlling for cognitive development measured in the BSID (r = -0.06, p = 0.78; r = -0.15, p = 0.49, Spearman rank correlation). FIGURE 2 Number of incorrect searches at location A in the A-not-B task for infants whose first fixation in the false-belief task was directed to the location where the actor last saw the ball (correct) and whose first fixation was directed to the location where ...