Active social communication is an effective way for infants to learn about the world. Do pre-verbal and pre-pointing infants seek epistemic information from their social partners when motivated to obtain information they cannot discover independently? The present study investigated whether 12-month-olds (N = 30) selectively seek information from knowledgeable adults in situations of referential uncertainty. In a live experiment, infants were introduced to two unfamiliar adults, an Informant (reliably labeling objects) and a Non-Informant (equally socially engaging, but ignorant about object labels). At test, infants were asked to make an impossible choice-locate a novel referent among two novel objects. When facing epistemic uncertainty-but not at other phases of the procedure-infants selectively referred to the Informant rather than the Non-Informant. These results show that pre-verbal infants use social referencing to actively and selectively seek information from social partners as part of their interrogative communicative toolkit.

Social transmission of information is achieved through observation, imitation, and explicit teaching. The human capacity to flexibly engage learners in pedagogical contexts is at the core of transmission of complex cumulative human culture (Burdett, Dean, & Ronfard, 2017; Caldwell, Renner, & Atkinson, 2017; Kline, 2015). Although socially mediated learning in early childhood has been studied extensively, little is known about child-initiated teaching (Nakao & Andrews,

Studies of emotion vocabulary and understanding typically focus on early childhood. Yet, emotion abilities continue to develop into adolescence, making it an important and underinvestigated area of research. This study presents evidence that adolescents’ emotion vocabulary undergoes active development, becomes more broad and sophisticated, varies by gender, and is not captured adequately by recognition-based approaches. Adolescents were asked to generate emotion words for five emotion categories— happy, relaxed, angry, sad, and nervous. Responses included emotion words (e.g., joyous) and nonemotion terms such as metaphors (e.g., boiling), social experiences (e.g., underappreciated), and personality traits (e.g., shy). Girls generated significantly more responses than boys. Older adolescents generated significantly more emotion words (e.g., describing someone who is happy as joyful, exuberant or ecstatic), while younger adolescents produced more nonemotion responses (e.g., describing someone who is happy as smiley, friendly, or full of life). Students’ grade, total number of responses they produced, and performance on the recognition test of emotion understanding predicted their emotion vocabulary.

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Debates concerning social learning in the behavioral and the developmental cognitive sciences have largely ignored the literature on social influence in the affective sciences despite having arguably the same object of study. We argue that this is a mistake and that no complete model of social learning can exclude an affective aspect. In addition, we argue that affect can allow bridging of the debates of the unique characteristics of social learning in humans compared to other animals. We first review the two major bodies of literature in non-human animals and human development, highlighting the fact that the former has adopted a behavioral approach while the latter has adopted a cognitive approach, leading to irreconcilable differences. We then introduce a novel framework, affective social learning (ASL), that studies the way we learn about value(s). We show that all three approaches are complementary and focus, respectively, on behavior towards, cognitions concerning, and feelings about objects, events and people in our environment. All three thus contribute to an affective, behavioral and cognitive story of knowledge transmission: the ABC of social learning. In particular, ASL can provide the backbone of an integrative approach to social learning. We argue that this novel perspective on social learning can allow both evolutionary continuity and ontogenetic development by lowering the cognitive thresholds that appear often too complex for other species and non-verbal infants. Yet, it can also explain some of the major achievements only found in human cultures.