Briefly describe the components and their developmental trajectory in Denney's model of unexercised and optimally exercised abilities
ANSWER:
According to Denney (1984), unexercised ability is the ability a normal healthy adult would have without practice or training. Fluid intelligence is an example of an untrained ability. Optimally exercised ability is what a normal healthy adult would demonstrate under the best conditions of training or practice. Crystallized intelligence is an example of an optimally exercised ability because the component skills (such as verbal ability) are used daily. The developmental course of both abilities is similar.
They tend to increase until adolescence or young adulthood and then slowly decline thereafter.
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