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Humans are endowed with a powerful capacity for inductive and deductive logical thought: we easily form generalizations based on a few examples and...

Abstract. Conditional statements often imply meanings that extend beyond their literal content, influenced by contextual factors such as the Question Under

Children acquire object category representations from their everyday experiences in the first few years of life. What do the inputs to this learning process look like? We analyzed first-person videos ...

Across the lifespan, friends are critical social partners. Prominent evolutionary theories—such as the Banker's Paradox (Tooby & Cosmides, 1996)—propo…

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When encountering a novel word, adults and children as young as 12 months old often reason that it refers to a novel object rather than one with an ex…

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Recent studies (Cheung et al., 2017; Chu et al., 2020; Sullivan et al., 2023) argue that children may infer the existence of infinite magnitudes throu…

Abstract. Time words like “yesterday” and “tomorrow” are hard for children to learn, and for researchers to study, because their referents change from day

Children experience a variety of messages about racial–ethnic socialization from their parents, teachers, and other sources, who might not answer children's questions about race, or might explicitly...

What is the origin of exact numerical reasoning in humans? Previous studies report that innumerate humans are unable to recognize that two sets placed…

Abstract. Conditional statements often have two interpretations. For instance, the statement, “If you mow the lawn, you will receive $5”, might be understood to mean that mowing the lawn is just one p...

Humans count to indefinitely large numbers by recycling words from a finite list, and combining them using rules—for example, combining sixty with unit labels to generate sixty-one, sixty-two, and so...

Time words like “yesterday” and “tomorrow” are abstract, and are interpreted relative to the context in which they are produced: the word “tomorrow” refers to a different point in time now than in 24....