Logic and Reason

Status Quo Bias - preferring not to change things and keep the current status.

Risk Compensation - taking bigger risks when you perceive a certain situation as less risky and being more careful when you perceive a certain situation as risky.

Reactive Devaluation - devaluing an opponent's opinion or idea and preferring opinions or ideas coming from you or from a party you like.

Choice-supportive (Post-Purchase) Rationalization - retroactively ascribing positive attributes to an item purchased or selected.

Ostrich Effect - avoiding negative information because it is unpleasant.

Illusion of Validity - overestimating one's ability to interpret the data accurately and make a prediction especially when there's a coherent pattern in the data set.

Hyperbolic Discounting - to prefer a less significant payoff / gain sooner rather than wait for a larger payoff / gain in the future.

Gambler's Fallacy - believing erroneously that past events impact future probabilities.

Endowment Effect - ascribing exagerated value to the things we own. The term Loss Aversion (a human tendency to prefer avoiding losses rather than obtaining equivalent gains) usually explains Endowment Effect. 

Courtesy bias - giving a more socially acceptable opinion in fear of judgment or to appear nice.