Data publications from the research unit "Quantitative Research Methods" (Heidelberg University - Institute of Psychology).
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1 to 8 of 8 Results
Jan 23, 2024
Stump, Annika; Voss, Andreas; Rummel, Jan, 2024, "The illusory certainty: Information repetition and impressions of truth enhance subjective confidence in validity judgments independently of the factual truth [Dataset]",, heiDATA, V1
People not only judge repeatedly perceived information as more likely being true (the so-called truth effect) they also tend to be more confident after judging the validity of repeated information. These phenomena are assumed to be caused by a higher subjective feeling of ease (i...
Feb 16, 2021
Stump, Annika; Voss, Andreas; Rummel, Jan, 2021, "Is it all about the feeling? Affective and (meta-)cognitive mechanisms underlying the truth effect. [Dataset]",, heiDATA, V1, UNF:6:w5fAcHn1TS53Lc9xxzcY7g== [fileUNF]
This data-set contains all data from the paper "Is it all about the feeling? Affective and (meta-)cognitive mechanisms underlying the truth effect."
Feb 10, 2021
Wieschen, Eva Marie; Voss, Andreas; Radev, Stefan, 2021, "Jumping to Conclusion? A Lévy Flight Model of Decision Making [Dataset]",, heiDATA, V1
The diffusion model is one of the most prominent response time models in cognitive psychology. The model describes evidence accumulation as a stochastic process that runs between two boundaries until a threshold is hit, and a decision is made. The model assumes that information a...
Aug 20, 2020
Mertens, Alica; von Krause, Mischa; Denk, Alexandra; Heitz, Theresia, 2020, "Gender differences in meat-eating behavior and environmental attitudes – The mediating role of the Dark Triad",, heiDATA, V1, UNF:6:m/fJhuHUlo37Y+XZGy2i2w== [fileUNF]
Recently, Machiavellianism was identified as potential mediator explaining gender differences in meat-eating justification strategies, which in turn predicted actual meat consumption. The current study aimed to – on the one hand – replicate this empirical finding and to – on the...
Feb 26, 2020
Bucher, Alica; Voss, Andreas; Spaniol, Julia; Hische, Amelie; Sauer, Nicole, 2019, "Age differences in emotion perception in a multiple target setting: An eye-tracking study [Dataset]",, heiDATA, V2
Research focusing on the association between age and emotion perception has revealed inconsistent findings, with some support for an age-related positivity effect, as predicted by socioemotional selectivity theory. We used the mood-of-the-crowd (MoC) task to investigate whether o...
Feb 11, 2020
Mertens, Alica; Hepp, Johanna; Voss, Andreas; Hische, Amelie, 2020, "Pretty crowds are happy crowds - The influence of attractiveness on mood perception. Psychological Research [Dataset]",, heiDATA, V1
Empirical findings predominantly support a happiness superiority effect in visual search and emotion categorization paradigms and reveal that social cues, like sex and race, moderate this advantage. A more recent study showed that the facial attribute attractiveness also influenc...
Jul 20, 2018
Bucher, Alica; Voss, Andreas, 2018, "Judging the mood of the crowd: Attention is focused on happy faces [Dataset]",, heiDATA, V1
Previous research on valence biases in face perception revealed inconsistent findings either proposing angry or happy faces to be detected more efficiently. We argue that the typical experimental task in this field, the face-in-the-crowd (FiC) paradigm, lacks ecological validity...
Jun 22, 2018
Voss, Andreas; Mertens, Ulf K.; Radev, Stefan T., 2018, "Learning the Likelihood: Using DeepInference for the Estimation of Diffusion-Model and Lévy Flight Parameters [Dataset]",, heiDATA, V1
In the corresponding paper, we use the recently develop DeepInference architecture as a general likelihood-free method to estimate parameters of cognitive models. DeepInference is a machine-learning algorithm based on the training of convolutional neural networks. In a first step...
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