________ are contrasts that enable the researcher to construct generalized confidence intervals that can be used to make pairwise comparisons of all treatment means

Alan tells Sherry that he will pay her $5,000 if she runs the Boston Marathon. Once Sherry starts running the marathon, Alan ________

A) can revoke the contract as informal verbal agreements are not binding B) cannot revoke the contract C) can reduce the money on offer D) can only increase the money on offer

Sarah Covington, a sales manager at Synergy Corporation Bank, often keeps low expectations of her team. She feels that they are underqualified for their job and do not have substantial experience to sell a large number of accounts

Covington's team does not feel motivated enough and invariably underperforms and misses targets on a regular basis. Which of the following concepts best explains Covington's team's poor performance? A) hindsight bias B) self-fulfilling prophecy C) confirmation bias D) contrast effect E) bandwagon effect