Identify a difference between the Position Analysis Questionnaire $($PAQ$)$ and functional job analysis.

a$.$ Unlike functional job analysis, the dimensions measured by the PAQ are believed to underlie all jobs.

b$.$ Unlike functional job analysis, the PAQ can provide information on $187$ separate items, allowing a much richer picture of what happens on a job.

c$.$ Unlike functional job analysis, the PAQ focuses on $197$ different critical behaviors that distinguish effective from ineffective performers.

d$.$ Unlike functional job analysis, the PAQ describes all jobs in terms of the level of involvement with people, data, and things.