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EFFICACY










                                                                            DUOKOPT

                                                                            Usability Testing





                 2.2.  QUESTION 3: OPENING OF THE DEVICE

                     2.2.1. RESULTS


               Did the participant remove the cap easily?

















               Did the participant touch the bottle tip by removing the cap?



















               General perception on the opening of the bottle


















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                    7  Results                                                              June 2013
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