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Abdullah Alamer; Ahmed Al Khateeb; Abdulrahman Alshabeb – Language Assessment Quarterly, 2025
This study introduces the first Arabic Vocabulary Levels Test (Arabic-VLT), created for foreign learners of Arabic. We present compelling evidence to substantiate its validity and reliability. The Arabic-VLT was developed according to five levels, beginning with the most frequently used words (Level 1) to the least frequently used ones (Level 5),…
Descriptors: Arabic, Vocabulary Development, Test Construction, Second Language Learning
Johanson, George A.; Brooks, Gordon P. – Educational and Psychological Measurement, 2010
Pilot studies are often recommended by scholars and consultants to address a variety of issues, including preliminary scale or instrument development. Specific concerns such as item difficulty, item discrimination, internal consistency, response rates, and parameter estimation in general are all relevant. Unfortunately, there is little discussion…
Descriptors: Pilot Projects, Measures (Individuals), Material Development, Sample Size

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