Practical Investigation (Edexcel A-Level Psychology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which methods can be used for the practical investigation?
Which methods can be used for the practical investigation?
Questionnaire, interview or case study
What is the independent variable in the example investigation?
What is the independent variable in the example investigation?
Context of event: live or video footage
How is the dependent variable measured in the example study?
How is the dependent variable measured in the example study?
Number of correct answers on questionnaire
Why is the experimental hypothesis directional?
Why is the experimental hypothesis directional?
Research indicates video memory is more accurate
Why use independent groups design for this investigation?
Why use independent groups design for this investigation?
Avoids demand characteristics & order effects
How many participants needed for independent groups design?
How many participants needed for independent groups design?
Double the sample size (around 20)
Which statistical test is used in the example investigation?
Which statistical test is used in the example investigation?
Mann-Whitney U test
When is the finding statistically significant using Mann-Whitney U?
When is the finding statistically significant using Mann-Whitney U?
Calculated value ≤ critical value
How should we describe the hypothesis outcome at p<0.05?
How should we describe the hypothesis outcome at p<0.05?
We support the experimental hypothesis
Which control measure ensures consistency across conditions?
Which control measure ensures consistency across conditions?
Same standardised instructions read out