What is it about?
Here we tested whether ratings of emotional valence and arousal of stimuli are reliable. We compared ratings for 1000 German nouns and found high test-retest-reliability (>.95, ~2 years apart) and high consistency between independent rater samples (>.85). The words also varied widely in how emotional they are, so they can be used in future research on emotion and emotional word processing.
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Why is it important?
Many researchers use normative ratings in emotional valence and arousal when they select stimuli for presentation in experiments. Our data is important because it justifies using these ratings as they are highly reliable - when looking at the ratings of the same participants at different time-points and when comparing two different participant samples. Furthermore, all ratings of the 1000 German nouns are publicly available and can be used to select stimuli for future research.
Perspectives
Emotion research relies so heavily on normative ratings of words, pictures, videos, but formal tests of whether these ratings can actually be transferred from one participant sample to another is rare. Similarly, it is unclear if you can use ratings acquired on one day to explain behavior to the same stimuli on another day. This methods paper justifies doing exactly that.
Philipp Kanske
Technische Universitat Dresden
Read the Original
This page is a summary of: Leipzig Affective Norms for German: A reliability study, Behavior Research Methods, November 2010, Springer Science + Business Media,
DOI: 10.3758/brm.42.4.987.
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