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°Õ³ó±ðÌýPhysics Measurement Questionnaire (PMQ)Ìýis a survey thatÌýmeasures student reasoning about measurement uncertainty at the intro physics level. It was developed over a decade ago by Prof. Saalih Allie et al. at the University of Cape Town, ZA. The survey concerns an experiment in which a ball rolls down a ramp and then flies through the air in free-fall before landing some horizontal distance away from where it started. The survey contains several questions, or probes, each one concerning a different step in the measurement process (such as "data collection" or "data analysis"). Students respond to each probe by choosing from a set of closed-form options, and then writing an open-response explanation of their choice.

We have used the PMQ to measure learning in the introductory physics lab course at ÃÛÌÒ´«Ã½Æƽâ°æÏÂÔØ, in conjunction with a course transformation project. We have also explored the use of natural language processing to assist in the analysis of responses to the PMQ.