Ephraim likes to play chess to reduce stress. He joins a chess club to keep focused on his new hobby. He participated in a chess tournament over the weekend, and while he thinks he could have done better, he feels good about his experience. He has already signed up for another tournament scheduled to occur in one month. Explain how each of the following might help Ephraim prepare for his next chess tournament.

Semantic encoding
Metacognition
Feature detectors

While he is practicing for the next chess tournament, Ephraim easily learns several new, difficult strategies from another player. Explain how each of the following might be related to Ephraim easily using these new, difficult strategies.

Zone of proximal development
Selective attention
Positive reinforcement
Internal locus of control