John has noticed that his boss smiles and is pleased when John gets to work at the office a bit early or stays a bit late. John is being influenced by . values positive sanctions formal sanctions mores

Informal sanctions

Explanation:

Reward for doing good or bad may be termed as sanction in this context. However, not all good deeds are openly praised or applauded. Informal sanctions in the context can be described an unofficial praise or reward which aren't said verbally or written in text. However, this kind of praise are conveyed through attitude and behavior. In the context above, John's boss is pleased with his performance and work ethic, and his praise and delight towards John is conveyed by his smile and cozy attitude towards him.

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