1) The below graph contains the ROc curves for two test subjects who performed 1

Question

1) The below graph contains the ROc curves for two test subjects who performed 100 trials of a simple signal detection task. - subject one (S1) and subject two (S2). Which of the following statements about these curves is NOT a correct statement? Subject 1 ls more sensitive to detecting the signal than is Subject 2 Assuming a neutral selection bias ? for both subjects. Subject 1 will have a higher probability of a miss (M) than Subject 2 the d' for Subject 1 is greater than the d' for Subject 2. As Subject 1's selection bias B becomes more risky, his proportion of hits will approach 100%. s1 a) b) 52 Oc) a d) Oe) "a" & "c" are true statements, "b &"d" are false statements. FALSE ALARIMS 2) Attending to a single stimulus whole suppressing non-relevant information is called O a) divided attention focused attention b cone of attention De) squirrel!! O c) attention capture O d) Top down processing of information can best be described as follows: Oa) 3) processing information in the order in which it was received. careful deliberation of all possible outcomes before finally selecting a response. the prioritization of information based upon the perceived threat level. reactive processing of environmental cues once the information has become salient. proactive, anticipatory goal and experience driven processing of environmental cues. a b) c) d De) rocessing of information that happens very quickly because the task is overlearned, aligns with expectations or the stimulus is highly salient compared to its background is called a) automaticity Ob seletive atfention c the visuospatial sketchpad d) preattentive processing e) focused attention According to the Human-Machine Model, what two areas human factors engineers primarily ave direct influence over the design of a system? Oa) controls and information communication ab) operation of the system and environment c) information processing and sensing O d) controls and environment De) operation of the system and environment

Explanation / Answer

1)

Option e.

S1 has more number of hits.

The proportion of hits will never reach 100%

2)

Option d.

3)

Option b. Because for deriving the answer, we require valid information from the top level.

4)

option d.

5)

option c.

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