${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}is\text{a}\text{m}\text{e}\text{a}\text{s}\text{u}\text{r}\text{e}of\text{h}\text{o}\text{w}\text{c}\text{o}\text{n}\text{s}\text{i}\text{s}\text{t}\text{e}\text{n}\text{t}\text{t}\text{h}\text{e}\text{r}\text{e}\text{s}\text{u}\text{l}\text{t}\text{s}ofusing\text{a}\text{m}\text{e}\text{a}\text{s}\text{u}\text{r}\text{e}\text{m}\text{e}\text{n}\text{t}\text{i}\text{n}\text{s}\text{t}\text{r}\text{u}\text{m}\text{e}\text{n}\text{t}(e.g.,\text{a}\text{t}\text{e}\text{s}\text{t}\text{,}\text{q}\text{u}\text{e}\text{s}\text{t}\text{i}\text{o}\text{n}\text{n}\text{a}\text{i}\text{r}\text{e})\text{w}\text{i}\text{l}\text{l}be.}$

${?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{i}s$ a measure $of$ how consistent the results $of$ using a measurement instrument $(e.g.,$ a test, questionnaire$)$ will $be.$

Reliability

Confidentiality

Dependability

Measurement Error