Determinants of Event-Frequency Discrimination Accuracy  

Oleh:

Cebollero, Alberto ; Whitlow, Jesse W.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The American Journal of Psychology vol. 101 no. 3 (1988), page 335-356.
Topik: Determinants; Event-Frequency; Accuracy
Fulltext: 1423083.pdf (2.24MB)

Isi artikel

Some of the variables that control how well people remember the frequency with which events have occurred were investigated in two experiments. Both studies used a frequency discrimination paradigm in which people study a list of words and then select from pairs of words the one presented more often during the study period. In Experiment 1, we found no effect on discrimination accuracy from manipulating test variables over a range used in prior research. In Experiment 2, accuracy was reduced by shorter study times and by longer list lengths; it also declined across lists. Presentation of relatively large sets of events and tests of items not recently presented resulted in accuracy at or below an asymptote defined by relative frequency matching; presentation of small sets of events and tests of recently presented items yielded accuracy above this asymptote. The findings resolve the inconsistency in previous studies of event-frequency discrimination accuracy and cast doubt on the hypothesis that all frequency information is automatically encoded. They also raise questions about what are appropriate ways to test for capacity limitations in memory for event frequency.

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