Table 2. Mean RTs (in milliseconds) of codable eye movements, relative to object emergence.

	4-month-old infants	6-month-old infants	Independent samples t tests
Experiment 1: baseline condition
Anticipations	−297.98 (29.66)	−402.60 (29.92)	t(30) = 2.48, P < .05
Reactions	675.57 (33.24)	518.00 (22.51)	t(30) = 3.92, P < .001
Mean	395.65 (35.16)	114.09 (30.48)	t(30) = 6.05, P < .001
Experiment 2: training condition
Anticipations	−391.21 (34.61)	−417.90 (26.57)	t(30) = .61, NS
Reactions	631.76 (35.82)	510.92 (46.36)	t(30) = 2.06, P < .05
Mean	158.95 (47.93)	141.39 (34.05)	t(30) = .30, NS
Experiment 3: generalization condition
Anticipations	−395.19 (34.33)
Reactions	603.83 (24.40)
Mean	108.26 (51.89)

Numbers in parentheses are SE. NS, not significant.