Negotiators using a highball (or lowball) tactic start with a quite high (or low) opening offer that they know they will not receive. The theory is that the extreme offer will cause the other party to reevaluate his/her own opening offer and make less demanding offers in return. Highball (or lowball) tactics are an example of trying to benefit from what type of bias in decision-making? Loss framing effects Overconfidence bias Confirmation bias The availability bias Anchoring & adjustment bias