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which I strongly recommend, stopped working after

                                a Mac OS X update).




                             •  Always use ethernet or cable network, rather than

                                WiFi (which likes to disconnect you during a study

                                - been there, done that).




                             •  Check that the mouse works properly (a customer

                                sitting on my mouse almost ruined the research).




                             •  Check the power source (oh yes, I’ve run out of

                                power).




                             •  Avoid any non-standard keyboard shortcuts

                                (again custom settings on my Mac made it really

                                awkward).




                             •  Turn off all the unnecessary software (taking extra

                                care with Skype and Messages).




                            Avoid these lame mistakes and you’ll be good.




                            prepare the participants




















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