Assessing time-based prospective memory online: A comparison study between laboratory-based and web-based testing

G. Laera*, A. Hering, M. Kliegel

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

Prospective memory (PM, i.e., the ability to remember and perform future intentions) is assessed mainly within laboratory settings; however, in the last two decades, several studies have started testing PM online. Most part of those studies focused on event-based PM (EBPM), and only a few assessed time-based PM (TBPM), possibly because time keeping is difficult to control or standardise without experimental control. Thus, it is still unclear whether time monitoring patterns in online studies replicate typical patterns obtained in laboratory tasks. In this study, we therefore aimed to investigate whether the behavioural outcome measures obtained from the traditional TBPM paradigm in the laboratory—accuracy and time monitoring—are comparable with an online version in a sample of 101 younger adults. Results showed no significant difference in TBPM performance in the laboratory versus online setting, as well as no difference in time monitoring. However, we found that participants were somewhat faster and more accurate at the ongoing task during the laboratory assessment, but those differences were not related to holding an intention in mind. The findings suggest that, although participants seemed generally more distracted when tested remotely, online assessment yielded similar results in key temporal characteristics and behavioural performance as for the laboratory assessment. The results are discussed in terms of possible conceptual and methodological implications for online testing.

Original languageEnglish
Number of pages14
JournalQuarterly Journal of Experimental Psychology
Early online date2024
DOIs
Publication statusE-pub ahead of print - 2024

Keywords

  • Delayed intentions
  • monitoring
  • online assessment
  • time-based

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