For the Multiple Regression Model $= 40 + 15 x _ { 1 } - 10 x _ { 2 } + 5 x _ { 3 }$

question 22

True/False

For the multiple regression model $= 40 + 15 x _ { 1 } - 10 x _ { 2 } + 5 x _ { 3 }$ , if $x _ { 2 }$ were to increase by 5 units, holding $x _ { 1 }$ and $x _ { 3 }$ constant, the value of $y$ would decrease by 50 units, on average.

Compare and contrast Piaget's and Vygotsky's theories of cognitive development.

Understand the role of social interactions and cultural context in cognitive development according to Vygotsky.

Describe the concept of adolescence egocentrism, the personal fable, and the imaginary audience.

Explain scaffolding and the zone of proximal development as described by Vygotsky.

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