An Oral History Interview With Leon Gross, PhD

Area of Science:

• Lactation consulting
• Professional certification standards
• Psychometrics in professional assessment

Background:

• The International Board Certified Lactation Consultant (IBCLC) credential requires passing the IBLCE examination.
• The examination has been administered since 1985.
• Exam development adheres to strict psychometric principles.

Observation:

• Leon Gross, PhD, a psychometrician, oversaw the initial development of the IBLCE exam starting in 1985.
• Gross served in this psychometric oversight role until 2013.
• Interview excerpts provide insights into the exam's early development.

Findings:

• The IBLCE exam's content and scoring have been meticulously crafted using psychometric methodologies.
• The examination process is foundational for IBCLC certification and professional practice.
• Historical insights into the exam's psychometric foundation are presented.

Implications:

• Understanding the rigorous development of the IBLCE exam reinforces the credibility of IBCLC certification.
• This historical perspective informs ongoing discussions about professionalization in breastfeeding support.
• The psychometric rigor ensures the exam accurately assesses the knowledge and skills required for lactation consultants.