Vulnerability to depression can be indicated by cognitive reactivity (CR), which is the ease with which depressive thoughts are (re-)activated in people who are not currently depressed (Solis et al...Show moreVulnerability to depression can be indicated by cognitive reactivity (CR), which is the ease with which depressive thoughts are (re-)activated in people who are not currently depressed (Solis et al., 2017). The golden standard to measure CR as the change in dysfunctional cognition scores before and after mood induction, is the Dysfunctional Attitudes Scale (DAS). However, the use of mood induction and the administration of the DAS are not always reliable (Martin, 1990; Gillies & Dozois, 2021; Solis et al., 2017). The LEIDS(-R) questionnaire was developed to measure CR without the need of mood induction. The aim of this study is to compare both questionnaires on the basis of a meta-analysis. The following main question is formulated: Is the LEIDS(-R) a more accurate index of depression vulnerability compared to the DAS? To answer this question, a Bayesian meta-analysis was done in JASP. A systematic literature search resulted in fourteen articles that made use of the LEIDS(-R) and DAS and compared CR scores for previously depressed and never depressed groups. We found that the LEIDS(-R) has a significantly larger effect size than the DAS difference score in the distinction between vulnerable (previously depressed) and non-vulnerable (never-depressed) groups. This indicates that the LEIDS(-R) is more reliable in the measurement of vulnerability to depression relapse. However, it is advised that more research is done on the concept of CR and its measurement, to ensure that differences between the DAS and LEIDS(-R) are not due to measuring a slightly different concept.Show less