Auditor Executive Summary Audit Interviews The interview sample size is based on the number of workers associated with the auditee at the time of the audit. Include workers and 1 supervisors in service to other employers under contract to the auditee at the time of the audit. Use the chart below as a guide to determine the minimum number of workers and supervisors to interview. Total number of Worker Interviews Management Total Interviews Approximate % of workers Required Interviews Required Required Workforce 200+ 75% of 25% of total 10% of workforce 10% 100 199 15 5 20 20% – 50 99 9 3 12 25% – 25-49 6 2 8 35% 10 to 24 3 2 5 50% 1 to 9 All All All 100% Select interview candidates with the intent to sample a broad range of worker and supervisor experience. Employee rosters can be useful in 2 selecting candidates. Auditors may wish to select some candidates based on worksite observations or entries and references found in safety program documentation.
Auditor Executive Summary Audit Interviews 1 The interview sample size is based on the number of workers associated with the auditee at the time of the audit. Include workers and supervisors in service to other employers under contract to the auditee at the time of the audit. Use the chart below as a guide to determine the minimum number of workers and supervisors to interview. Total number of workers Worker Interviews Required Management Interviews Required Total Interviews Required Approximate % of Workforce 200+ 75% of 25% of total 10% of workforce 10% 100 – 199 15 5 20 20% 50 – 99 9 3 12 25% 25-49 6 2 8 35% 10 to 24 3 2 5 50% 1 to 9 All All All 100% 2 Select interview candidates with the intent to sample a broad range of worker and supervisor experience. Employee rosters can be useful in selecting candidates. Auditors may wish to select some candidates based on worksite observations or entries and references found in safety program documentation.
SELF_AUDIT_v3.0_02-May-17.docx