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                                       Details van artikel 58 van 105 gevonden artikelen
 
 
  Measuring the influence of similarity on category-specific effects
 
 
Titel: Measuring the influence of similarity on category-specific effects
Auteur: Shapiro, Laura R.
Lamberts, Koen
Olson, Andrew C.
Verschenen in: European journal of cognitive psychology
Paginering: Jaargang 20 (2008) nr. 2 pagina's 346-366
Jaar: 2008-03
Inhoud: There is evidence for both advantages and disadvantages in normal recognition of living over nonliving things. This paradox has been attributed to high levels of perceptual similarity within living categories having a different effect on performance in different contexts. However, since living things are intrinsically more similar to each other, previous studies could not determine whether the various category effects were due to perceptual similarity, or to other characteristics of living things. We used novel animal and vehicle stimuli that were matched for similarity to measure the influence of perceptual similarity in different contexts. We found that displaying highly similar objects in blocked sets reduced their perceived similarity, eliminating the detrimental effect on naming performance. Experiment 1 demonstrated a disadvantage for highly similar objects in name learning and name verification using mixed groups of similar and dissimilar animals and vehicles. Experiment 2 demonstrated no disadvantage for the same highly similar objects when they were blocked, e.g., similar animals presented alone. Thus, perceptual similarity, rather than other characteristics particular to living things, is affected by context, and could create apparent category effects under certain testing conditions.
Uitgever: Psychology Press
Bronbestand: Elektronische Wetenschappelijke Tijdschriften
 
 

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