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When 2-year-old Sarah is riding in the car with her parents, she occasionally points at passing vehicles and calls out “see cars,” even though some of the vehicles are buses and trucks. This is an example of which language error commonly observed in early childhood?

The concept of the zone of proximal development proposed by Vygotsky suggests that a child will improve more if they

3-year-old Wendy is playing hide-and-seek with some older children. However, instead of running to find a hiding place away from the other children, Wendy simply covers her eyes. According to Piaget, Wendy is demonstrating

Lucas calls every four-leg animal he sees a cat. According to Piaget’s theory, this is an example of:

Which finding would be the most definitive evidence that an 85-year-old participant is a Super Ager rather than an individual aging successfully due to Cognitive Reserve?

Baby Jimmy’s parent places a brand new rattle in his crib, and Jimmy immediately picks it up and tries to mouth the rattle. When it shakes, it makes noise. Jimmy immediately tries shaking the rattle in different ways to see how the sound changes. He seems to enjoy this activity. Piaget would say that this is an example of

According to Piaget, adolescents in the formal operational stage differ from 9-year-olds in the concrete operational stage in that 9-year-olds cannot

What is the name of the theorist who coined the terms personal fable and imaginary audience?

When making a complex financial decision, 75-year-old Maria consults with her daughter and her long-time financial advisor, pooling their information before deciding. This strategy, which relies on input from others to make decisions, is an example of what cognitive strategy used by older adults?

Mark, an 80-year-old, has maintained a cognitively engaging lifestyle, including advanced education, learning new languages, and doing daily puzzles. According to which theory does this lifestyle help attenuate cognitive decline and potentially lower his risk for dementia?