View
253
Download
3
Category
Preview:
Citation preview
Age-Related Identification of Emotions at Different
Image Sizes
學生:董瑩蟬
Purpose
• This paper main purpose to investigated the age different with reaction time and accuracy.
• They want to know the different size that effect the accuracy and reaction time.
Reference• The older adults has worse visual acuity.
(Fozard et al., 2001)
• Mather and Carstensen (2003) showed that the older adults were slower to identify the location. When presented in the same location as a negative facial expression.
• Malatesta et al. (1987) found that older adults were less ability to identify emotions than younger adults.
Method
• Participants– Three groups, each group has 20 person.– Younger (M=23 years), middle (M=49 years)
and older (M=71 years)– All participant required to finish Mini Mental
Status Examination, and the test score more than 27 points that were permitted to participate.
Method
• Equipment– Microsoft paint– Telephonics on the Earscan MP Pure Tone A
udionmeter: hearing test – Corrective Lenses: vision test– 17-inch CRT monitor: emotion identification ta
sk– E-Prime: collect accuracy and response
Method• Process
– The first day required to test group-administered of perceptual and psychomotor speed, working and long-term memory functioning, spatial and verbal reasoning ability and general knowledge measures.
– Second day, the first test was hearing and vision
– Participants finished the emotion identification task
Method
• Emotion identification task– Each trial present name of emotion with
capital for 2 seconds– Next the picture present until participant
respond – The subjects feel the name and picture match
that to press the slash(/) key and press the Z not match
Method
• Design– Age (three levels)– Picture size
• Small : 2.1 × 2.7 cm• Medium :4.1 × 5.5 cm• Large :8.2 × 10.9 cm
– Emotion : happy, sad, angry, disgust, fear, surprise (frome Ekman and Friesen, 1976)
Result-accuracy
Result-accuracy• The size has significant different on
accuracy. (F(2,114)=3.225, p=0.04)
• There were interaction with age × emotion. (F(10,285)=1.907,p=0.04)
• Figure l showed that the angry accuracy was significant lower than other emotion average accuracy. (F(1,57)=224.207, P<0.001)
Result-accuracy
• Older significant worse than younger– Fearful F(1,57)=11.040, P=0.002– Sad F(1,57)=9.785, P=0.003– Surprise F(1,57)=8.980, P=0.004
• Older significant different with middle– Sad F(1,57)=14.947, P<0.001– Fearful F(1,57)=11.561, P=0.001
Result-reaction time
Result-reaction time
• The emotion has significant different with reaction time. Happy A
Sad B
Surprised B
Fearful BC
Disgusted CD
Angry D
Result-reaction time
• There were interaction of age and sized. (F(5,235)=29.492,p<0.001)
• The older reaction time significantly slower at small sizes. (F(1,57)=14.367, P<0.001).
Discussion
• Older adults identified negative emotions that less accurately than younger adults. This result different from Calder et al.(2003). The multiple-choice aspect of the task allowed superior performance on these faces because of a cancellation strategy.
Conclusion
• The older adults tended to show worse accuracy than the other age groups.
• The small size performance were worse at all age groups.
• The reaction time only for older adults showed worse performance on small size.
• All age groups were short time in happy emotions and slowest in angry.
Recommended