The aim of this research was to explore the predictors of gullibility and to develop a self-report measure of the construct. In Studies 1 to 3, exploratory and confirmatory factor analyses were conducted on a large pool of items resulting in a 12-item scale with two factors: Persuadability and Insensitivity to cues of untrustworthiness. Study 4 confirmed the criterion validity of the scale using two distinct samples: scam victims and members of the Skeptics Society. Study 5 demonstrated positive relationships between gullibility and the self-reported persuasiveness of, and likelihood of responding to, unsolicited emails. Throughout the article, analyses of a variety of measures expected to converge with the scale provided evidence for its construct validity. Overall, these studies demonstrate that the construct of gullibility is distinct from trust, negatively related to social intelligence, and that the Gullibility Scale is a reliable and valid measure of gullibility.

BackgroundCognitive Behavioural Therapy (CBT) is the gold standard intervention for anxiety and related mental health disorders among young people; however, the efficacy of individual elements of CBT (e.g., exposure to feared stimuli) have received little scrutiny.AimsThis scoping review, informed by three stakeholder groups and a scientific advisory group, aimed to identify the nature and extent of the available research literature on the efficacy of exposure to feared stimuli, moderators of effectiveness in young people aged 14–24 years.MethodThree international stakeholder groups composed of clinicians (N = 8), parents/carers (N = 5) and youth with lived experience of anxiety (N = 7) provided input into study design and results. Using the PRISMA extension for scoping reviews, a search of MEDLINE/Ovid, PsycINFO, PubMed, CINAHL, SCOPUS, EMBASE, ERIC, and Health Collection (informit) was conducted using terms related to anxiety, ages 14–24, and exposure.ResultsFrom 3508 unique abstracts, 64 papers were included for the review. While there was evidence for the efficacy of exposure as a treatment for youth anxiety disorders, fundamental gaps in knowledge of exposure in this age group were identified. Most studies examined post‐traumatic stress disorder, obsessive–compulsive disorder, and specific phobias with no randomised clinical trials uniquely evaluating exposure for the treatment of DSM‐5 anxiety disorders. Exposure was typically delivered accompanied by other anxiety management techniques. A multitude of optimisation strategies have been tested, yet only one of these effects (timing relative to sleep) showed preliminary evidence of replication.ConclusionsA systematic and theoretically driven program of research investigating the efficacy of exposure in young people and factors that moderate its efficacy, along with methods to overcome barriers for delivery, is urgently needed.

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Introduction: This study compared the Trust Promotes Adjustment (TPA) approach with the Centralist Approach to Trust (CAT) regarding the relationship between trust beliefs in others and psychosocial adjustment. The TPA predicted linear, whereas the CAT predicted quadratic, relationships between the two. The predictions were tested by analyses for the curvilinearity of data gathered by Teunisse et al. (2020). Method: Six hundred and fifty-one adults (M age = 24.9 years, SD = 10.4 years) completed standardized scales of trust beliefs in others, agreeableness, and social intelligence. Results: In support of TPA, trust beliefs in others were linearly associated with social awareness. In support of CAT, quadratic relations were found between trust beliefs in others and both agreeableness and social skills. Individuals with very low or very high trust beliefs showed lower agreeableness and social skills than those with the midrange of trust beliefs or the linear relationship between the variables. Individuals showed optimal psychosocial adjustment when trust beliefs were between 1.5 standard deviations above and below the mean. Discussion: These findings challenge the traditional TPA, which asserts that increasing trust in others corresponds to increasing psychosocial adjustment. The findings support the CAT hypothesis that too little or too much trust in others is associated with psychosocial maladjustment with implications for psychopathology.