${?}_{{?}_{a}re\text{g}\text{i}\text{v}\text{e}\text{n}\text{i}\text{m}\text{m}\text{e}\text{d}\text{i}\text{a}\text{t}\text{e}\text{l}\text{y}\text{w}\text{h}\text{e}\text{n}\text{a}\text{d}\text{e}\text{s}\text{i}\text{r}\text{e}\text{d}\text{b}\text{e}\text{h}\text{a}\text{v}\text{i}\text{o}\text{r}is\text{s}\text{e}\text{e}\text{n}\text{.}}$

Question $50$ options:

Pay$-$for$-$performance programs

Variable pay plans

Spot awards

Fixed pay plans