A group of psychology students are designing a study to investigate the impact of a new mindfulness app on the perceived stress levels of Year 12 students during the exam period. They plan to use a repeated measures design, where each participant’s stress levels are measured before using the app and again after using the app daily for two weeks. Discuss potential limitations of this investigation design, and recommend modifications to improve the validity of the findings.
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Create Free Account Log inThis is a free VCE Units 3 & 4 Psychology practice question worth 7 marks, testing your understanding of Investigation design heading. It falls under How is scientific inquiry used to investigate mental processes and psychological functioning? in Unit 4: How is mental wellbeing supported and maintained?. Submit your answer above to receive instant AI-powered marking and personalised feedback.
In this unit students explore the demand for sleep and the influences of sleep on mental wellbeing. They consider how changes to a person’s sleep-wake cycle can affect psychological functioning. Students explore the concept of mental wellbeing, including social and emotional wellbeing as a multidimensional and holistic framework. They apply a biopsychosocial approach to specific phobia, exploring how biological, psychological and social factors are involved in its development and management. A student-designed scientific investigation involving the generation of primary data related to mental processes and mental wellbeing is undertaken in either Unit 3 or Unit 4 or across both Units 3 and 4, and is assessed in Outcome 3 of this unit.
Students undertake a student-designed scientific investigation in either Unit 3 or Unit 4, or across both Units 3 and 4, related to mental processes and mental wellbeing. The investigation involves the generation of primary quantitative data. Students apply key science skills to develop and test a research question, gather and analyse data, and communicate findings in a structured scientific poster. A logbook is maintained for authentication and assessment purposes.
**Investigation design**
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