Abstract
We evaluated whether the format in which prices are presented determines the processing of their magnitude. A price comparison task was used in which two-digit prices with Arabic digits, written number words and auditory number words were presented in the euro currency. Prices were number-monetary category (NMC) compatible (49 euros - 36 cents) when the number and monetary category of one price were larger than those of the other (49 > 36, euros > cents); or NMC incompatible (49 cents - 36 euros) when the number of one price was larger but the monetary category smaller than those of the other (49 > 36, cents < euros). In addition, there were unit-decade (UD) compatible prices when the decade and unit of one price were larger than those of the other (49 euros - 36 cents, 4 > 3, 9 > 6); and UD incompatible prices when the decade of one price was larger but the unit smaller than those of the other (46 euros - 39 cents, 4 > 3, 6 < 9). The results showed NMC compatibility effects in all numerical formats. However, the UD compatibility effect was not found in any numerical format. The results are discussed within the hybrid model of multisymbolic magnitude processing.
Highlights
Handling money is an everyday activity in our daily lives that involves numerical processing
The percentage of outliers was 7.78% for price pairs pre sented with Arabic digits, 6.62% for price pairs presented with written number words and 3.58% for price pairs presented in the auditory format
The presence of this effect with Arabic numbers has been confirmed in previous studies with one-digit price pairs (Macizo & Ojedo, 2018; Ojedo & Macizo, 2020), and suggests that prices are processed in a componential manner with separate processing of the two constituent symbols
Summary
Handling money (coins, banknotes, price processing) is an everyday activity in our daily lives that involves numerical processing. Price processing from a cognitive perspective could be integrated within a general framework of multi-symbolic magnitude processing (Huber et al, 2016). In this framework, it is proposed that all symbols representing a magnitude (e.g., numbers, units of measurement, etc.) are processed separately (Nuerk & Willmes, 2005). G., 38), people would independently process the ten (3) and the unit (8) to reach the magnitude of two-digit numbers. In the case of negative numbers (e.g., − 7), people would process both the negative sign (− ) and the digit (7) separately, etc
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