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Scientific processes

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Question 297

Study Description

A sports scientist wanted to investigate whether lower-body muscular endurance is affected by the cadence (revolutions per minute, RPM) of a pre-exhaustion warm-up cycle.

The scientist recruited a stratified sample of 40 amateur cyclists from a local club consisting of 150 road racers and 100 track sprinters.

All participants completed a warm-up on a stationary cycle before performing a maximum-effort leg press test.

There were two conditions in the study, Condition A and Condition B:

  • Condition A: 20 participants completed a 10-minute warm-up at a low cadence maintained at 60 RPM.
  • Condition B: The other 20 participants completed a 10-minute warm-up at a high cadence maintained at 110 RPM.

The scientist recorded the total number of repetitions of a 100 kg leg press completed by each participant before muscular failure.

Identify the dependent variable in this study.

[2]

Scientific processes Questions

  1. A Level
  2. /Psychology
  3. /Scientific processes

Practise AQA A Level Psychology Scientific processes with exam-style questions for A Level Psychology. 689 questions, matched to the AQA A Level Psychology (7182) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank

Experimental method
Observational techniques
Self-report techniques
Correlations
Content analysis (A-level only)
Case studies (A-level only)
Scientific processes
Data handling and analysis
Inferential testing (A-level only)