Technical Feasibility of Supervision of Stretching Exercises by a Humanoid Robot Coach for Chronic Low Back Pain: The R-COOL Randomized Trial

Figure 4

Results for each TAM (technlogy acceptance model) question rated by the physiotherapists. A score of 1 = strongly disagree and a score of 5 = strongly agree. EOU: ease of use, SI: social interaction; PE: performance expectancy.