Dr. Aris conducted an investigation to see if participating in an interactive virtual reality (VR) mindfulness session affected heart-rate levels in corporate office employees during high-stress project deadlines.
He used two groups of office employees from a financial firm as his participants:
He measured the change in each participant's heart rate in beats per minute (BPM) using an optical wrist sensor from immediately before to immediately after the 15-minute interval.
State a fully operationalised non-directional (two-tailed) hypothesis for Dr. Aris's investigation.
638 exam-style questions on Edexcel A Level Psychology Methods. Each one has a worked solution and a mark scheme showing where the marks go.