Examlex
A standing wave is set up in a 2.0-m string fixed at both ends.The string vibrates in 5 distinct segments when driven by a 120-Hz source.In how many distinct standing wave segments will the string vibrate if the tension is increased by a factor of 4?
Distress
Negative stress that results in anxiety, depression, or other negative feelings, contrasting with positive stress which can be motivating.
Vygotsky
Lev Vygotsky, a Russian psychologist known for his theory on social development, emphasizing the influence of social interaction on cognitive development.
Piaget
A Swiss developmental psychologist and philosopher known for his epistemological studies with children, Piaget's theory of cognitive development posits that children move through four stages of mental development.
Social And Cultural Contexts
The environments, practices, and beliefs that influence individuals' behaviors, attitudes, and experiences.
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