REPORT Most People Keep Their Word Rather Than Their Money Jan K. Woike 1 and Patricia Kanngiesser 2 1Center for Adaptive Rationality (ARC), Max Planck Institute for Human Development, Berlina, Germany 2Faculty of Education and Psychology, Freie UniversitÄt Berlin, Berlina, Germany a n o p e n a c c e s s j o u r n a l Keywords: cooperation, social norms, promises,

REPORT Consistency and Variability in Children’s Word Learning Across Languages Mika Braginsky1, Daniel Yurovsky2, Virginia A. Marchman3, and Michael C. Frank3 1Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology 2Department of Psychology, University of Chicago 3Department of Psychology, Stanford University a n o p e n a c c e s s j o u r n a l Keywords: word learning, idioma

REPORT Revealing Criterial Vagueness in Inconsistencies Steven Verheyen 1,2 2 , Anne White 3 , and Paul Égré 1Laboratoire de Sciences Cognitives et Psycholinguistique, Département d’études cognitives, ENS, EHESS, PSL University, CNRS 2Laboratory for Experimental Psychology, Faculty of Psychology and Educational Sciences, KU Leuven 3Institut Jean Nicod, Département d’études cognitives, ENS, EHESS, PSL University, CNRS a n o p e n a c c e

Report Segmentability Differences Between Child-Directed and Adult-Directed Speech: A Systematic Test With an Ecologically Valid Corpus Alejandrina Cristia 1, Emmanuel Dupoux1,2,3, Nan Bernstein Ratner4, and Melanie Soderstrom5 a n o p e n a c c e s s j o u r n a l 1Dept d’Etudes Cognitives, ENS, PSL University, EHESS, CNRS 2INRIA 3FAIR Paris 4Department of Hearing and Speech Sciences, Universidad de

Report The Neural Representational Space of Social Memory Sarah L. Dziura1 and James C. Thompson1 1Department of Psychology, George Mason University, Fairfax, Virginia, 22030 USA Keywords: social networks, social cognition, aprendiendo, representational similarity analysis, fMRI a n o p e n a c c e s s j o u r n a l ABSTRACT Social functioning involves learning about the social networks in which

A Domain-General Sense of Confidence in Children Carolyn Baer 1 , Inderpreet K. Gill 1 1 , and Darko Odic 1Department of Psychology, University of British Columbia Keywords: confidence, certeza, metacognition, approximate number system, development ABSTRACT Our minds constantly evaluate the confidence in what we see, think, and remember. Previous work suggests that confidence is a domain-general currency in adulthood, unifying otherwise independent sensory and

Four- and 5-Year-Olds Infer Differences in Relative Ability and Appropriately Allocate Roles to Achieve Cooperative, Competitive, and Prosocial Goals Rachel W. Magid1, Mary DePascale1,2, and Laura E. Schulz1 1Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology 2Department of Human Development and Quantitative Methodology, University of Maryland a n o p e n a c c e s s j o u r n

Third-Party Preferences for Imitators in Preverbal Infants Lindsey J. Powell 1 and Elizabeth S. Spelke 2 1Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology 2Department of Psychology, Harvard University Keywords: imitation, social cognition, infancy a n o p e n a c c e s s j o u r n a l ABSTRACT Participants in social interactions often imitate one another, thereby

Certainty Is Primarily Determined by Past Performance During Concept Learning Louis Martí 1,2 1 , Francis Mollica , Steven Piantadosi 1,2 , and Celeste Kidd 1,2 1Brain and Cognitive Sciences, University of Rochester, Rochester 2 Psicología, Universidad de California, Berkeley Keywords: certeza, confidence, metacognition, aprendiendo, concepts a n o p e n a c c e s s j o u r n a l

The Use of a Computer Display Exaggerates the Connection Between Education and Approximate Number Ability in Remote Populations Edward Gibson 1 2 , Julian Jara-Ettinger 1 , Roger Levy , and Steven T. Piantadosi 3 1 Department of Brain and Cognitive Sciences, MIT 2Department of Psychology, Yale University 3Department of Brain and Cognitive Sciences, University of Rochester a n o p e n a c

A Causal Role of the Right Superior Temporal Sulcus in Emotion Recognition From Biological Motion Rochelle A. Basil 1 2 , Margaret L. Westwater 1 , Martin Wiener , and James C. Thompson 1 1George Mason University 2Department of Psychiatry, Addenbrooke’s Hospital, University of Cambridge a n o p e n a c c e s s j o u r n a l Keywords:

Detailed Visual Memory Capacity Is Present Early in Childhood 1 Katrina Ferrara 1 , Sarah Furlong , Soojin Park 1,2 , and Barbara Landau 1 1Department of Cognitive Science, Johns Hopkins University 2Department of Psychology, Yonsei University Keywords: memory fidelity visual memory, cognitive development, memory capacity, object recognition, a n o p e n a c c e s s j o u r n

Partial Truths: Adults Choose to Mention Agents and Patients in Proportion to Informativity, Even If It Doesn’t Fully Disambiguate the Message Melissa Kline1, Laura Schulz1, and Edward Gibson1 1Brain and Cognitive Sciences, Massachusetts Institute of Technology Keywords: pragmatics, argument structure, common ground, communication a n o p e n a c c e s s j o u r n a l ABSTRACT How do

Spontaneous Preference for Slowly Moving Objects in Visually Naïve Animals Justin N. Wood 1 1 Department of Psychology, University of Southern California Keywords: visual preference, newborn, object recognition, controlled rearing, chick ABSTRACT To perceive the world successfully, newborns need certain types of visual experiences. The development of object recognition, Por ejemplo, requires visual experience with slowly moving objects. Hasta la fecha, sin embargo, it is unknown whether

So Good It Has to Be True: Wishful Thinking in Theory of Mind Daniel Hawthorne-Madell 1 and Noah D. Buen hombre 1 1Department of Psychology, Stanford University Keywords: ilusiones, computational social cognition, theory of mind, desirability bias ABSTRACT In standard decision theory, rational agents are objective, keeping their beliefs independent from their desires. Such agents are the basis for current computational models of Theory of

Innovation of Word Order Harmony Across Development Jennifer Culbertson 1 and Elissa L. Newport 2 1School of Philosophy, Psicología, and Language Sciences, University of Edinburgh 2Department of Neurology, Georgetown University Keywords: word order learning biases, language acquisition, artificial language learning, regularization, a n o p e n a c c e s s j o u r n a l ABSTRACT The tendency for languages

The Temporal Modulation Structure of Infant-Directed Speech Victoria Leong1, Marina Kalashnikova2, Denis Burnham2, and Usha Goswami1 1Centre for Neuroscience in Education, Department of Psychology, University of Cambridge 2The MARCS Institute for Brain, Behaviour and Development, Western Sydney University Keywords: infant-directed speech, phase, oscilaciones, amplitude modulation a n o p e n a c c e s s j o u r n a l ABSTRACT

How Data Drive Early Word Learning: A Cross-Linguistic Waiting Time Analysis 1 Francis Mollica and Steven T. Piantadosi 1 1Cerebro & Cognitive Sciences, University of Rochester Keywords: word learning, rational construction, waiting time models ABSTRACT The extent to which word learning is delayed by maturation as opposed to accumulating data is a longstanding question in language acquisition. Más, the precise way in which data influence