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Table 2. 

Overview of the Behavioral Results per Condition in Experiment 1

ConditionGITStroke*Apex*DistVelocity*Hold*
More Informative 
Gesture-only 534 (21) 834 (30) 1368 (42) 51 (1) 38.5 (1) 1252 (135) 
Gesture + speech 550 (22) 840 (27) 1389 (39) 51 (1) 37.8 (1) 1219 (121) 
 
Less Informative 
Gesture-only 532 (22) 819 (29) 1351 (41) 51 (1) 39.0 (1) 1138 (116) 
Gesture + speech 541 (24) 826 (27) 1367 (40) 51 (1) 38.5 (1) 1149 (106) 
 
Condition SpeechDur SOTSync Max_Loudness Mean_Loudness 
More Informative 
Gesture-only      
Gesture + speech 1167 (35) 1385 (65) 4 (54) 82.0 (1) 70.8 (1) 
 
Less Informative 
Gesture-only      
Gesture + speech 1155 (36) 1351 (66) 16 (54) 82.2 (1) 70.8 (1) 
ConditionGITStroke*Apex*DistVelocity*Hold*
More Informative 
Gesture-only 534 (21) 834 (30) 1368 (42) 51 (1) 38.5 (1) 1252 (135) 
Gesture + speech 550 (22) 840 (27) 1389 (39) 51 (1) 37.8 (1) 1219 (121) 
 
Less Informative 
Gesture-only 532 (22) 819 (29) 1351 (41) 51 (1) 39.0 (1) 1138 (116) 
Gesture + speech 541 (24) 826 (27) 1367 (40) 51 (1) 38.5 (1) 1149 (106) 
 
Condition SpeechDur SOTSync Max_Loudness Mean_Loudness 
More Informative 
Gesture-only      
Gesture + speech 1167 (35) 1385 (65) 4 (54) 82.0 (1) 70.8 (1) 
 
Less Informative 
Gesture-only      
Gesture + speech 1155 (36) 1351 (66) 16 (54) 82.2 (1) 70.8 (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 in parentheses. An asterisk next to a variable's name indicates a significant main effect of informativeness in the analysis.

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