In selection, validity refers to

the applicant achieving approximately the same score in a test$-$retest situation

the strength of the correlation between a test score and a predictor

the consistency with which the predictor actually tests the desired construct

the correlation between a predictor and job performance

$1$ point

$A(n)$

typically takes over the staff of a small business and writes the paychecks, pays the taxes, prepares and implements HR policies, and keeps all the required records for a

fee.

third$-$party employer

professional employer organization

employment agency

payroll vendor