DDBA 8580 Week 4 HR Business Case Example

Structured Interviews for Inside Sales: A Business Case Pricing a Selection Change for a High-Turnover Role, Estimating Its Return From Published Validities and Framing the Figure Conservatively Because Impressive Estimates Can Lower a Manager's Confidence

Student Name

Walden University

DDBA 8580: The New HR: The Savvy Strategic Partner

Instructor Name

Month Day, Year

Structured Interviews for Inside Sales: A Business Case Pricing a Selection Change for a High-Turnover Role, Estimating Its Return From Published Validities and Framing the Figure Conservatively Because Impressive Estimates Can Lower a Manager's Confidence

Executive Summary

The inside sales unit of a composite industrial supply distributor in Ohio hires about 60 representatives a year into a role with average tenure of 18 months. Replacing its unstructured interviews with structured interviews would cost about $52,000 in the first year. On conservative assumptions, better hiring would add sales performance worth about $155,000 a year, roughly the gross margin on $620,000 of additional orders at the unit's 25 percent margin; net of cost, the first-year return is about $103,000. The vice president of sales measures the unit by gross margin per representative, and the estimate is expressed in that measure.

The Proposal

Hiring managers now interview candidates in an unstructured conversation and rate them by overall impression. The proposal replaces this with a structured interview: eight fixed questions put identically to all applicants, drawn from a job analysis of the role's main tasks, rated on anchored scales by two interviewers, with ratings combined by rule. Twenty-five managers would be trained in a one-day session.

The Benefit Estimate

Schmidt and Hunter (1998), summarizing decades of meta-analytic research, reported that structured interviews predict job performance with a validity of about .51, compared with about .38 for unstructured interviews. McDaniel et al. (1994) found a similar advantage for structured interviews in their meta-analysis of employment interviews. The difference, .13, is the improvement in prediction the proposal buys.

[after]

Using the standard utility formula, the gain per hire per year is .13 times $20,800 times 1.27, about $3,440. Across 60 hires staying 1.5 years, the gross gain is about $309,000.

Table 1

Inputs to the Benefit Estimate

The Counterfactual

Without the change, the unit would continue to hire at current quality. Turnover would not change by assumption; the estimate claims better performance from the same number of hires, not fewer departures. If structured interviews also reduced early turnover, the benefit would be larger, but the case does not count that.

Why the Figure Is Halved

Latham and Whyte (1994) gave managers proposals for a selection program with and without a utility analysis and found that adding the utility analysis reduced managers' support for the program, apparently because large dollar estimates seemed implausible. Their finding has a practical lesson: an impressive estimate can undermine the case it is meant to support. This case therefore halves the gross estimate, to about $155,000, and presents the halved figure as the expected value. The halving also allows for the possibility that the published validities overstate what managers trained in one day will achieve.

Return

Net of first-year cost, the conservative return is about $103,000. In later years, with training already done, cost falls to the added interview time, about $22,000, and net return rises.

Why This Proposal and Not Another

Two alternatives were considered. A personality assessment for applicants would cost less to administer but carries lower validity for sales performance in most research, and it raises candidate concerns about fairness. A longer probation with more coaching would address poor hires after the fact rather than preventing them. Structured interviews change an activity managers already perform, require no new vendor and can be audited. They also improve fairness, because all applicants face identical questions scored on one scale, which reduces the risk of inconsistent treatment. For a budget holder, the proposal's appeal is that it spends little and changes a process already in place.

How the Approver Can Check the Estimate

After one year, the vice president can compare first-year gross margin per representative for structured-interview hires with the prior two cohorts. If the new cohort does not outperform by at least half the estimated margin, the case should be reconsidered.

Risks

Managers may revert to unstructured questioning. The case proposes auditing a sample of interview forms each quarter. The value of performance differences is a convention, not a measurement of this unit.

Limits

The estimate relies on validities from other settings. A first-year comparison of new hires' sales with prior cohorts would test it.

References

Latham, G. P., & Whyte, G. (1994). The futility of utility analysis. Personnel Psychology, 47(1), 31-46. https://doi.org/10.1111/j.1744-6570.1994.tb02408.x

McDaniel, M. A., Whetzel, D. L., Schmidt, F. L., & Maurer, S. D. (1994). The validity of employment interviews: A comprehensive review and meta-analysis. Journal of Applied Psychology, 79(4), 599-616. https://doi.org/10.1037/0021-9010.79.4.599

Schmidt, F. L., & Hunter, J. E. (1998). The validity and utility of selection methods in personnel psychology: Practical and theoretical implications of 85 years of research findings. Psychological Bulletin, 124(2), 262-274. https://doi.org/10.1037/0033-2909.124.2.262