Question: please answer as many possible QUESTION 22 Observer effect describes: when a researcher identifies herself as a researcher and watches when the user interacts with

please answer as many possible

QUESTION 22 Observer effect describes: when a researcher identifies herself as a researcher and watches when the user interacts with a system the influence of the presence of an person has on the behavior of participants when the subjects may or may not realize they are being observed when researchers do not participate in the activity being observed but sit on the sidelines and watch when participants observe what other participants are doing QUESTION 23 Which of the following method(s) allows to evaluate usability indirectly? Interviews O Observations Focus Groups Think Aloud Only A and QUESTION 24 One of these methods creates different versions of a system to test which one is better: Think aloud A/B Testing Retrospective O Surveys Walkthrough QUESTION 25 In Benbunan-Fich (2001), the three main parameters used to evaluate website usability are: display, layout, buttons O content, organization, links O display, navigation, interfaces o content, layout, format O content, navigation, interactivity

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