A group of VCE Psychology students are conducting a study to investigate the effect of sleep deprivation on cognitive performance. They hypothesize that students with less sleep will perform worse on a series of cognitive tasks. They recruit 30 participants and measure their hours of sleep the night before the test. On the day of testing, participants complete a series of cognitive tasks, including a memory recall test and a problem-solving task. They record the time taken to complete each task, as well as the number of errors made.
b. Describe two ways the students could assess the measurement validity of their cognitive tasks.
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Create Free Account Log inThis is a free VCE Units 3 & 4 Psychology practice question worth 4 marks, testing your understanding of Measurement validity. 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.
the accuracy, precision, repeatability, reproducibility and validity of measurements
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