| The interplay between Facebook use, social comparison, envy, and depression H Appel, AL Gerlach, J Crusius Current opinion in psychology 9, 44-49, 2016 | 944 | 2016 |
| Social comparison, envy, and depression on Facebook: A study looking at the effects of high comparison standards on depressed individuals H Appel, J Crusius, AL Gerlach Journal of Social and Clinical Psychology 34 (4), 277-289, 2015 | 439 | 2015 |
| Intolerance of uncertainty predicts indecisiveness and safety behavior in real-life decision making: Results from an experience sampling study H Appel, J Krasko, M Luhmann, AL Gerlach Journal of Research in Personality 110, 104490, 2024 | 19 | 2024 |
| “I Know What I Like”–Indecisiveness Is Unrelated to Behavioral Indicators of Evaluation Difficulties H Appel, B Englich, J Burghardt Frontiers in Psychology 12, 710880, 2021 | 12 | 2021 |
| Systematic search and scoping review of physicians’ intolerance of uncertainty and medical decision-making uncertainties during the COVID-19 pandemic: a summary of the … H Appel, S Sanatkar Journal of Clinical Psychology in Medical Settings 31 (2), 338-358, 2024 | 9 | 2024 |
| Intolerance of uncertainty causally affects indecisiveness H Appel, AL Gerlach British Journal of Clinical Psychology, 2025 | 3 | 2025 |
| Making it Worse by Trying to Make it Better: Intolerance of Uncertainty is Associated with Maladaptive Safety Behavior in Decision Making H Appel, AL Gerlach Cognitive Therapy and Research, 1-19, 2025 | | 2025 |
| The Effect of Everyday Safety Behavior on Intolerance of Uncertainty and Indecisiveness M Hassan, H Appel Zeitschrift für Klinische Psychologie und Psychotherapie, 2025 | | 2025 |
| The Effect of Intolerance of Uncertainty on Indecisiveness in Anxiety and Obsessive-Compulsive Disorders H Appel, AL Gerlach, A Mattes OSF, 2025 | | 2025 |
| Does It Feel Certain Enough? Intolerance of Uncertainty Predicts Checking Behavior through'Not Just Right'Experiences H Appel, A Mattes, AL Gerlach OSF, 2025 | | 2025 |
| Checking the Uncertain A Hülsdonk, A Pohl, H Appel, C Wolters Zeitschrift für Klinische Psychologie und Psychotherapie, 2024 | | 2024 |
| 111111. A Hülsdonk, A Pohl, H Appel, C Wolters Zeitschrift für Klinische Psychologie und Psychotherapie: Forschung und Praxis, 2024 | | 2024 |
| Preprint Appel et al.(2023) IU predicts indecisiveness & SB in decision making H Appel, J Krasko, M Luhmann, AL Gerlach | | 2023 |
| YET BEEN PEER-REVIEWED. IT MIGHT BE PUBLISHED WITH MODIFICATIONS IN THE FUTURE. VERSION: FEB. 2025 H Appel, AL Gerlach | | |
| PUBLICATION AND HAS NOT YET BEEN PEER-REVIEWED. IT MIGHT BE PUBLISHED WITH MODIFICATIONS IN THE FUTURE. VERSION: FEB. 2025 H Appel, A Mattes, AL Gerlach | | |
| NOT YET UNDERGONE FINAL EDITORIAL CHECKS. IT MIGHT BE PUBLISHED IN A DIFFERENT VERSION IN THE FUTURE. VERSION: APRIL 2024 H Appel, J Krasko, M Luhmann, AL Gerlach | | |