A researcher investigates the effectiveness of a new cognitive behavioural therapy (CBT) technique on reducing symptoms of social anxiety. Participants are randomly assigned to either a CBT group or a waitlist control group. Social anxiety symptoms are measured using a standardized scale before and after the 8-week intervention. Which of the following results would best refute the hypothesis that the CBT technique is effective in reducing social anxiety?
The CBT group shows a statistically significant decrease in social anxiety symptoms, while the waitlist control group shows no significant change.
Both the CBT group and the waitlist control group show a statistically significant decrease in social anxiety symptoms, with no significant difference between the groups.
The waitlist control group shows a statistically significant decrease in social anxiety symptoms, while the CBT group shows no significant change.
The CBT group shows a statistically significant increase in social anxiety symptoms, while the waitlist control group shows no significant change.
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Create Free Account Log inThis is a free VCE Units 3 & 4 Psychology practice question worth 1 mark, testing your understanding of Nature of evidence. 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 nature of evidence that supports or refutes a hypothesis, model or theory
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