. Provide an overview of the study and describe the strategy that was used to select the sample from the population

The selected research article is “Development of a brief, clinically relevant, digital picture rating scale for the assessment of psychosis” by Palmier-Claus et al. (2019). (2019). Convenience sampling was used. Participants were recruited via online and NHS mental services. These authors justified their choice by saying that recruitment was complicated due to psychosis stigma and difficult finding participants.

The effectiveness of convenience sampling can be debated as it may not represent the population’s true characteristics, and there may be selection bias. While the study’s limitations were acknowledged by the authors, they also highlighted the strengths of the research, including the large sample size and inclusion of individuals suffering from psychosis at different stages of severity. Additionally, the use of online recruitment may have increased the sample’s representativeness. Although convenience sampling is not the best sampling technique, it was justified by the authors. They also provided reasons for the limitations and strengths.

Reference: Palmier-Claus, J. E., Murphy, E., Benson, L., Brown, G., & Barrowclough, C. (2019). The development of a digital picture rating system for psychosis assessment that is brief and clinically applicable. Schizophrenia Research, 206, 338-343. https://doi.org/10.1016/j.schres.2018.10.030

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