To enhance nursing students’ critical thinking abilities, numerous educators have explored alternative teaching methods. While meta-analyses have confirmed that various approaches are effective in developing critical thinking, consensus regarding their comparative effectiveness remains elusive. Furthermore, few investigations have directly contrasted the outcomes across these methods, highlighting the necessity to undertake a comprehensive evaluation of their impact on nursing students’ critical thinking skills. Accordingly, this study aims to assess the effects of six teaching methods on nursing students’ critical thinking abilities.

A comprehensive literature search will be carried out up to May 2025 across various databases, such as PubMed, Embase, The Cochrane Library, Web of Science, OVID, CNKI, Wanfang Database and the China Biological Literature Database (CBM). The search strategy will specifically target randomised controlled trials meeting predefined inclusion criteria. Two independent reviewers will screen the selected studies and extract pertinent data. The methodological quality of the included studies will be assessed using the Cochrane risk of bias tool. A network meta-analysis will then be performed using Stata software, incorporating the following analytical components: heterogeneity, network evidence diagrams, publication bias plots, league tables, forest plots, subgroup analyses or meta-regression and sensitivity analyses. The Grading of Recommendations Assessment, Development and Evaluation (GRADE) system will be leveraged to appraise the overall quality of evidence related to critical thinking abilities across all compared interventions.

No formal research ethics approval is required. The results will be submitted to a peer-reviewed journal for publication.

CRD42024618735.

Opioids are prescribed to manage pain. Approximately 1 in 20 pregnant women in Canada are prescribed opioids during the prenatal period, which may occur concurrently with other psychotropic drug use. The health implications of the independent and concurrent prenatal use of these drugs are not fully understood; however, adverse neonatal and longer-term outcomes have been suggested. This protocol describes a study to update the epidemiology of prenatal exposure to opioid and other psychotropic drug use during pregnancy, providing an enhanced understanding of the potential impacts on the mother and child to help inform decisions regarding prescription and use.

The retrospective cohort study design uses population-based administrative data from Manitoba and British Columbia, Canada, to investigate the effect of prenatal opioid and concurrent psychotropic drug use on maternal and child outcomes. All mother–child dyads from 2000/2001 to 2019/2020 (approximately 1M pairs) will be identified and assigned to exposure groups based on the number of opioid and other psychotropic drug dispensations to the mother during the prenatal period. Maternal sociodemographic characteristics, prescribing patterns, short- and long-term child health and education outcomes and maternal outcomes will be examined.

The study was approved by the University of Manitoba Human Research Ethics Board (No. HS24397 – H2020:470) and the University of British Columbia Clinical Research Ethics Board (No. H21-02262). The study will generate findings that will add to the growing body of evidence of potential short- and long-term adverse effects on children exposed to these drugs prenatally and will help to inform safe prescribing guidelines during pregnancy. Results will be published in peer-reviewed journals.