The Role of Pilot Studies in the Standardisation of Measurement Instruments in Quantitative Language Education Research

Pilot studies have long been accepted as an important initial step in the conduct of quantitative research but the systematic function of pilot studies in the standardisation of measurement instruments has been largely neglected in the field of language education. The aim of this investigation is to explore the contribution of pilot studies to the establishment of reliability, validity, and feasibility of quantitative measurement instruments utilised in language education research. The study employs a mixed-methods design in which documentary analysis was conducted on six doctoral pilot study reports and qualitative analyses were conducted on semistructured interviews and focus groups conducted with 25 experienced researchers. The results suggest that pilot research serves an essential purpose in improving the clarity of items, minimising measurement error, improving the psychometric quality and resolving logistical difficulties before conducting main data collection. The findings also suggest that the effective use of pilot testing occurs when it is implemented as an ongoing and integrated process versus a singular methodological task. This study contributes to the methodological understanding of pilot studies in language education by providing both empirical and experiential data from a notably under-researched area within the field and offers insights for practitioners as they adhere to rigorous measurement development and standardisation through systematic pilot testing.