Behavioral time series 1 Computer Simulation 1 Cooperative Behavior 1 Data Interpretation, Statistical 1 Humans 1 Models, Psychological 1 Models, Statistical 1 Nonlinear dynamics 1 Nonverbal Communication 1 Nonverbal synchrony 1 Null-hypothesis testing 1 Psychology 1 Surrogate data Time Factors 1 adult 1 article 1 case report 1 clinical article 1 computer simulation 1 cooperation 1 female 1 human 1 human experiment 1 male 1 motion 1 nonlinear system 1 nonverbal communication 1 null hypothesis 1 physiology 1 procedures 1