${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{i}s\text{a}\text{l}\text{e}\text{a}\text{r}\text{n}\text{e}\text{d}\text{a}\text{b}\text{i}\text{l}\text{i}\text{t}\text{y}to\text{d}\text{i}\text{f}\text{f}\text{e}\text{r}\text{e}\text{n}\text{t}\text{i}\text{a}\text{t}\text{e}\text{a}\text{m}\text{o}\text{n}\text{g}\text{s}\text{i}\text{m}\text{i}\text{l}\text{a}\text{r}\text{p}\text{r}\text{o}\text{d}\text{u}\text{c}\text{t}\text{s}\text{s}\text{u}\text{c}\text{h}as\text{d}\text{i}\text{f}\text{f}\text{e}\text{r}\text{e}\text{n}\text{t}\text{b}\text{r}\text{a}\text{n}\text{d}\text{s}of\text{b}\text{l}\text{u}\text{e}\text{j}\text{e}\text{a}\text{n}\text{s}\text{.}}$

Question $13$ options:

Stimulus discrimination

Stimulus generalization

Selective perception

Selective discrimination