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Table 3. 

Overview of the Behavioral Results per Condition in Experiment 2

ConditionGITStroke*ApexDistVelocityHold
More Informative 
Speech-only       
Gesture + speech 552 (27) 707 (24) 1259 (39) 42 (1) 34.3 (1) 592 (78) 
 
Less Informative 
Speech-only       
Gesture + speech 548 (26) 698 (25) 1247 (38) 42 (1) 34.5 (1) 576 (76) 
 
Condition SpeechDur SOT Sync Max_Loudness Mean_Loudness 
More Informative 
Speech-only 1095 (39) 711 (31)  78.6 (1) 66.1 (1) 
Gesture + speech 1114 (43) 977 (46) 28 (3) 79.5 (1) 66.5 (1) 
 
Less Informative 
Speech-only 1095 (42) 702 (32)  78.5 (1) 65.8 (1) 
Gesture + speech 1108 (44) 976 (48) 27 (3) 79.2 (1) 66.5 (1) 
ConditionGITStroke*ApexDistVelocityHold
More Informative 
Speech-only       
Gesture + speech 552 (27) 707 (24) 1259 (39) 42 (1) 34.3 (1) 592 (78) 
 
Less Informative 
Speech-only       
Gesture + speech 548 (26) 698 (25) 1247 (38) 42 (1) 34.5 (1) 576 (76) 
 
Condition SpeechDur SOT Sync Max_Loudness Mean_Loudness 
More Informative 
Speech-only 1095 (39) 711 (31)  78.6 (1) 66.1 (1) 
Gesture + speech 1114 (43) 977 (46) 28 (3) 79.5 (1) 66.5 (1) 
 
Less Informative 
Speech-only 1095 (42) 702 (32)  78.5 (1) 65.8 (1) 
Gesture + speech 1108 (44) 976 (48) 27 (3) 79.2 (1) 66.5 (1) 

Duration in msec is displayed for gesture initiation time (GIT), stroke duration (Stroke), apex time (Apex), hold duration (Hold), speech duration (SpeechDur), speech onset time (SOT), and synchronization time (Sync). Furthermore, the incremental distance in cm (Dist), velocity in cm/sec (Velocity), and the maximum and mean loudness of the speech (Max_Loudness and Mean_Loudness) in db are provided. The SEM is indicated between parentheses. An asterisk next to a variable's name indicates a significant main effect of Informativeness in the analysis.

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