Houter, Jet Iebeltje (2022) Change Blindness for State Changes when using an Extended Identity Cue. Bachelor thesis, Psychology.
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Abstract
People sometimes are unable to detect visual changes in their environment, a phenomenon known as change blindness. This study focused on change blindness for objects changing in state. It also looked at people’s confidence about their performance and whether the cue influenced performance. Because of object-location binding theory, it was expected that distance and location influence change blindness. People were expected to detect the change best when the changed object shared identity with an adjacent, rather than non-adjacent, object. People’s confidence was expected to be similar to the expected performance. Because of interference processes, it was expected that people would perform better and be more confident with an extended (present during post-change display) instead of a non-extended (disappeared before post-change display) identity cue. The 34 participants had to detect which object had changed between the pre-change and post-change display. Afterwards, they rated their confidence with their answer. Results were analyzed with a repeated measures ANOVA, a paired t-test and an independent samples t-test. For response accuracy, distance had influence in both conditions of target identity, whereas it was expected distance would only have influence in the shared condition. For confidence, the expected interaction was found. Furthermore, people scored better with an extended than a non-extended identity cue. However, the confidence level did not differ for the different types of identity cues. Keywords: Change blindness, visual working memory, interference, state changes, neural binding processes, confidence
| Item Type: | Thesis (Bachelor) |
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| Supervisor name: | Vries, P.H. de |
| Degree programme: | Psychology |
| Differentiation route: | Cognitive Psychology and Psychophysiology (CPP) [Bachelor Psychology] |
| Date Deposited: | 02 May 2022 07:25 |
| Last Modified: | 02 May 2022 07:25 |
| URI: | http://gmwpublic.studenttheses.ub.rug.nl/id/eprint/427 |
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