Evaluation instrument
Two evaluation instruments were developed: an outcome evaluation instrument and a process evaluation instrument. The purpose of executing the outcome evaluation instrument was to evaluate whether NL and healthy eating behaviour had improved owing to the intervention of the online NL programme. The scales were developed as follows.NL was measured with the Nutrition Literacy Measure for Taiwanese College StudentsHealthy eating behaviour was measured using thirteen items on behaviours related to a Background data, including grade, age, sex, BMI category, parental education, residence, experience in taking nutrition-related courses and self-perceived need for access to nutrition information, were collected.Process evaluation was performed only for the experimental group. The instrument was used to evaluate students’ participation, satisfaction and how helpful they found the online course to improve their NL after each unit. This evaluation used three items on a five-point scale ranging from 1 (