Final answer:
A realistic job preview allows an applicant to learn about the positive and negative aspects of a job before applying.
Step-by-step explanation:
One tool that allows an applicant to learn more about a position before applying is a realistic job preview. This type of preview provides applicants with information about both the positive and negative aspects of the job, giving them a realistic understanding of what the position entails. It helps applicants make an informed decision about whether or not to apply.