Psychology 100:12 Chapter 5 Sensation & Perception Part V

1. Psychology 100:12 Chapter 5 Sensation & Perception Part V

2. Outline • Attention • Cells phones and driving • Data collection • Group Sign up • Four options Study Question: • Why might a proponent of Kahneman’s attention theory feel that driving a car while talking on a cell phone is a bad idea?

3. Attention Attention • The cell phone diversion • Strayer’s Research • The inattentional blindness hypothesis • Cell-phone conversation disrupts performance by diverting attention from the external environment associated with the driving task to the cellphone converstation. • What about strategic reallocation? • There are important and unimportant objects • Two-Alternative forced choice recognition • Drivers rated the importance of the items. • Performance was significantly poorer in the dual task. • even when fixation duration is controlled. • Absolutely no effect of the importance of the object on the inattentional blindness effect.

4. Attention Attention • The cell phone diversion • Strayer’s Research • Conversing on the phone vs. with a passenger • Instructed to drive 8 miles down a freeway and exit at a truck stop. • Only 12% of drivers with a passenger missed the exit. • About 50% talking on a cell phone missed the exit • The passengers assisted the drivers

5. Attention Attention • The cell phone diversion • Strayer’s Research • Conversing and driving vs. drinking and driving • Car-tailing paradigm • Compared .08% alcohol intoxication with hands held and hands free. • No differences were observed between the cell phone conditions • Both Alcohol and phone groups showed impaired driving • 4 of the cell phones talkers rear-ended the pace car (none of the drinkers had a collision)

6. Lab Day • Sign-up • Groups of 4-6 • Minimal Shuffling • Contact information • Four options • 3 in class experiments • One option for collecting your own data

7. Lab Day • Response sheet • Groups of 4-6 • Minimal Shuffling • Contact information • Four options • 3 in class experiments • One option for collecting your own data

8. Lab Day • Data Set 1 • Response Sheet • 1-8 for ‘handedness’ • 1 - 16 for ‘emotion judgment’

9. Lab Day • Handedness • For the following items use the following numerical answer key Always Left Sometimes left Both Always right Sometimes right -2 -1 0 1 2 • Which hand do you use to hold scissors? • With which hand do you draw? • With which hand do you deal cards? • Which hand do you use to hold a toothbrush when cleaning teeth? • With which hand do you throw a ball? • Which hand do you use to hold a hammer? • With which hand do you turn a key? • With which hand do you stir with a spoon? • Add the responses together to get a “total”

10. Lab Day • Emotion judgement • Instructions • For each of the following pairs of pictures indicate (top or bottom) which person looks happier.

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27. Lab Day • Emotion judgement • Scoring • B • T • T • B • B • B • T • B • T • B • B • T • T • T • B • T • Indicate the total number (out of 16) of you answers that correspond with the answers given to the left.

28. Lab Day • Data Set 2 • Instructions • You will see a series of statements, each describing a person performing some type of behavior. • Each person belongs to either Group A or Group B. • After all statements have been presented, you will respond with your impressions.

29. John visited a friend in the hospital.

30. Allen dented the fender of a parked car and didn’t leave his name.

31. Bill is rarely late for work.

32. Bob helped a child.

33. Tom shared his lunch with a co-worker.

34. Scott cheated on an exam.

35. Alan planted seedlings in a park.

36. Henry went out of his way to return a lost wallet to the owner.

37. Nathan took neighborhood kids swimming.

38. John is considered a very dependable co-worker.

39. Chad always talks about himself and his problems.

40. Josh finished his homework on time.

41. Lane is well-like by his colleagues.

42. Davis read a story to his daughter.

43. Ron made prank phone calls to his teacher.

44. Bruce never returns library books on time.

45. Ken helped a lost child in a supermarket.

46. David converses easily with people he doesn’t know well.

47. Fred gave blood to the Red Cross.

48. Alex kicked a dog.

49. Devin donated his clothes to charity.

50. Mark learned how to fly an airplane.