Johnny has watched his twin brother climb up and down the stairs.When his brother reaches the top of the stairs, he immediately goes to his mother and she gives him a treat.Johnny is now attempting to climb stairs.According to Sternberg, this is an example of

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This is an example of practical intelligence according to Sternberg, as Johnny is applying observed and learned knowledge to achieve a specific goal, which in this case is receiving a treat from his mother by climbing the stairs, similar to his brother's actions. Practical intelligence involves the ability to adapt to, shape, or select environments to meet personal goals and the needs of one's everyday life.

Johnny Has Watched His Twin Brother Climb Up and Down