Please help!! p.s table 9-3 was not given and is just an example of a comparison.

There are diverse methods assessing external candidates. For example, application forms, biodata, structured/unstructured interviews, job knowledge test, cognitive ability test, work samples, reference check, to name a few. Table 9-3 compares the commonly used external assessment methods in terms of validity, usability, adverse impact, costs, applicant reactions. . What do you feel are the two (2) most effective external assessment methods? Why? . What do you feel are the two (2) least effective external assessment methods? Why