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Background: Pre-exposure prophylaxis (PrEP) has been implemented as a prevention against HIV; however, its impact on mental health, sexual and life satisfaction has not been addressed.

Method: We assessed 114 HIV-negative participants from Spain with ages ranging from 19 to 58 years; 60.5% were PrEP users ( n = 69) and 39.5% were non-users ( n = 45). They completed five questionnaires about life and sexual satisfaction, depression and anxiety. We performed correlations and multiple regression analyses.

Results: The PrEP group showed a statistically significant relationship between better sexual satisfaction, and greater life satisfaction. The PrEP group also showed a statistically significant negative relationship with depression and anxiety which was not found in PrEP non-users. Moreover, we found that younger PrEP users had higher scores in anxiety and lower scores in depression than older users. The hierarchical regression analyses also showed that number of sexual partners was a major predictor in the PrEP group for NSSS.

Conclusions: The indirect correlation between sexual satisfaction, depression, and anxiety in the PrEP group could underly the benefits of PrEP for patients' sex lives such as increased sexual liberties due to lower anxiety and mental comfort when experiencing chemsex.

Background: The World Health Organization (WHO) developed an instrument to detect violence against women that has been widely used in several countries. Despite this instrument's importance in identifying intimate partner violence against women (IPVAW), it has not been adapted for the Spanish population. The aim of this study was to adapt and validate the WHO violence against women instrument in a sample in Spain, facilitating the detection of IPVAW in this context and comparisons between countries.

Method: After the instrument was translated and adapted into Spanish, 532 women from the general population in Spain completed it. The initial instrument consisted of 28 items. We deleted three items due to low internal consistency, resulting in 25 items in the final version.

Results: Suitable internal consistency was obtained through Confirmatory Factorial Analysis for physical (α = .92), psychological (α = .91), sexual (α = .86), and control behaviors subscales (α = .91) as well as for the total scale (α = .95). The instrument revealed highly prevalent IPVAW in our sample (79.7%).

Conclusions: The use of the Spanish version of the WHO violence against women instrument in Spain seems justified.

Background: Although several studies have reported an increase in psychological problems during the COVID-19 pandemic, the impact of stressful life events on Spanish children and adolescents using a person-oriented statistical approach and the relationships between the profiles and emotional and behavioral symptoms have not yet been examined. The present study aims to identify profiles of Spanish children and adolescents, considering life-threatening stressful events during the COVID-19 pandemic.

Method: Participants were 252 parents of children aged 3 to 15 years old who completed an online structured questionnaire that collected information about stressful life events related to the pandemic and its impact on their children's welfare.

Results: Through Latent Class Analysis (LCA), four profiles of children and adolescents were found according to the stressful events experienced: "COVID infection, social confinement", "economic loss", "reduced social contact" and "parental stress", with no significant age or gender differences. Reduction in social contact was the most prevalent stressor. Comparisons of psychological symptoms across latent classes were analyzed.

Conclusions: The findings increase our understanding of how stressful life events during the COVID-19 situation impacted young people's psychological welfare and highlight the need to promote strategies to prevent emotional problems during a pandemic considering the identified profiles.

Background: "Juego de Llaves" [ Set of Keys ] is a universal school-based prevention program for adolescents aged 12-15. It is aimed at reducing drug use and other addictive behaviors. This paper describes the full protocol for the evaluation design, instruments, randomization procedure, follow-ups, and primary outcomes.

Method: Non-Randomized Control Cluster Trial in a set of Spanish secondary schools, with follow-ups at 12-, 24- and 36-months. Participants will be allocated to an experimental or control group. Using a digital application designed for the study, a battery of instruments will be used to assess addictive behaviors, sociodemographic variables, school climate and other transdiagnostic psychological variables.

Results: A pilot test will be carried out to test the implementation protocol and to calculate the sample size needed for outcome evaluation. After implementing the program, longitudinal statistical approaches will be used to report intervention efficacy and potential moderators and mediators.

Conclusions: There is a lack of assessments on the effectiveness of school prevention programs, and this paper is expected to improve monitoring and ongoing evaluation in prevention.

Background: Suicidal behavior, especially in young populations such as university students, is currently one of the most concerning health problems worldwide, suicide being the second leading cause of death among students. Although literature is still scarce, one of the risk factors that correlates the most with suicidal behavior in young people appears to be problematic internet use (PIU). The aim of this study was to investigate the relationship between PIU and suicidal behavior in a Spanish university population.

Method: An ex post facto prospective design was used with a sample of 1,386 Spanish university students (68.7% women and 31.3% men). PIU was assessed by means of the Internet Addiction Test (IAT) and psychological problems by means of the Clinical Outcomes in Routine Evaluation-Outcome Measure (CORE-OM).

Results: The results confirm the relationship between PIU and suicidal behavior, principally alongside those of social isolation and depression, this risk being 3.78 times higher among women with PIU and 5.58 times higher in men.

Conclusions: PIU appears as a risk factor for suicidal behavior that must be taken into account together with social isolation, subjective distress and depression.

Background: Using a foreign language can influence emotion modulation, but whether different psychotherapy processes would be affected by a foreign language is still unclear. The current study explored the foreign language effect on the extinction of fear.

Method: During the conditioning phase, part of the neutral stimuli presented to the participants were associated with a threat, while they performed a countdown task in their native language. In the extinction phase, participants performed the same task either in their native/foreign language and were informed that the threat would no longer appear. We collected self-reports of fear, and pupil dilation and electrodermal activity as physiological measures of arousal.

Results: Extinction was successful, indicated by greater self-reported fear and pupil dilation during the threat condition compared to neutral in the conditioning phase, but no significant differences during extinction. Although the foreign language group presented higher arousal, fear extinction occurred regardless of the linguistic context.

Conclusions: Fear extinction via verbal instructions is equally effective in a foreign and a native language context. These results indicate that evidence should be continue to be gathered on the role of foreign languages using basic paradigms with clinical applications.

Background: The emergence of digital technology in the field of psychological and educational measurement and assessment broadens the traditional concept of pencil and paper tests. New assessment models built on the proliferation of smartphones, social networks and software developments are opening up new horizons in the field.

Method: This study is divided into four sections, each discussing the benefits and limitations of a specific type of technology-based assessment: ambulatory assessment, social networks, gamification and forced-choice testing.

Results: The latest developments are clearly relevant in the field of psychological and educational measurement and assessment. Among other benefits, they bring greater ecological validity to the assessment process and eliminate the bias associated with retrospective assessment.

Conclusions: Some of these new approaches point to a multidisciplinary scenario with a tradition which has yet to be created. Psychometrics must secure a place in this new world by contributing sound expertise in the measurement of psychological variables. The challenges and debates facing the field of psychology as it incorporates these new approaches are also discussed.

Background: Experiencing psychological problems during childhood and adolescence is common. However, the detection of behaviors as symptoms of psychopathologies requiring clinical diagnosis and treatment remains low. In order to advance understanding of psychological phenomena and particularly their behavioral manifestations, new theoretical and methodological perspectives such as network analysis are applied.

Method: In the present study, we explore the dynamics of the symptoms of different internalizing, externalizing, and personal-contextual problems using network analysis. We estimate networks of regularized partial correlations, including measures of standard centrality, and the global and structural impact of symptoms on each network.

Results: The results show that the syndromes we studied are activated through dynamics of symptoms that are strongly related to each other and act as intermediaries of potential psychopathological problems in children and adolescents (e.g., "feels sad", "worries", "won't talk", "nausea", "threatens others", "steals outside"). Centrality measures and impact coefficient ranges were strength (—2.39, 2.05), betweenness (—1.43, 3.38), closeness (—2.60, 2.23), and expected influence (—2.87, 2.13).

Conclusions: The results suggest the need to explore attribute dynamics as well as symptomatic comorbidity between them.

Background: During the 20th century the alpha coefficient (α) was widely used in the estimation of the internal consistency reliability of test scores. After misuses were identified in the early 21st century alternatives became widespread, especially the omega coefficient (ω). Nowadays, α is re-emerging as an acceptable option for reliability estimation.

Method: A review of the recent academic contributions, journal publication habits and recommendations from normative texts was carried out to identify good practices in estimation of internal consistency reliability.

Results: To guide the analysis, we propose a three-phase decision diagram, which includes item description, fit of the measurement model for the test, and choice of the reliability coefficient for test score(s). We also provide recommendations on the use of R, Jamovi, JASP, Mplus, SPSS and Stata software to perform the analysis.

Conclusions: Both α and ω are suitable for items with approximately normal distributions and approximately unidimensional and congeneric measures without extreme factor loadings. When items show non-normal distributions, strong specific components, or correlated errors, variants of ω are more appropriate. Some require specific data gathering designs. On a practical level we recommend a critical approach when using the software.

Background: Repeated measures designs are commonly used in health and social sciences research. Although there are other, more advanced, statistical analyses, the F-statistic of repeated measures analysis of variance (RM-ANOVA) remains the most widely used procedure for analyzing differences in means. The impact of the violation of normality has been extensively studied for between-subjects ANOVA, but this is not the case for RM-ANOVA. Therefore, studies that extensively and systematically analyze the robustness of RM-ANOVA under the violation of normality are needed. This paper reports the results of two simulation studies aimed at analyzing the Type I error and power of RM-ANOVA when the normality assumption is violated but sphericity is fulfilled.

Method: Study 1 considered 20 distributions, both known and unknown, and we manipulated the number of repeated measures (3, 4, 6, and 8) and sample size (from 10 to 300). Study 2 involved unequal distributions in each repeated measure. The distributions analyzed represent slight, moderate, and severe deviation from normality.

Results: Overall, the results show that the Type I error and power of the F-statistic are not altered by the violation of normality.

Conclusions: RM-ANOVA is generally robust to non-normality when the sphericity assumption is met.