Randy applied for a position as a butcher's assistant at a nearby supermarket. After he completed his application, the manager showed him a video reviewing the responsibilities of an assistant to the butcher. After viewing that, Randy felt sick and told the manager he didn't want the job. This screening technique is called .

job preview

Explanation:

when Randy apply supermarket for butcher's assistant position

and after complete process, manager aware him about responsibilities of  assistant

but after all that process he feel sick and say to manager that he is not get this job

so we can this is job preview because job preview is that process which occurs during the hiring of an employee and which clearly highlights all the pros. and cons. of the job profile and giving candidate the most accurate information about the job.

answer; engaging in effective public relations;