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
What type of experiment must be conducted for the practical investigation?
What type of experiment must be conducted for the practical investigation?
Laboratory experiment
What does a directional hypothesis predict?
What does a directional hypothesis predict?
The specific direction of difference
What does the null hypothesis state?
What does the null hypothesis state?
No difference between conditions
Which design avoids order effects and demand characteristics?
Which design avoids order effects and demand characteristics?
Independent groups design
What advantage does repeated measures design have?
What advantage does repeated measures design have?
Avoids individual differences
What is the purpose of operationalisation?
What is the purpose of operationalisation?
To establish objectivity & reliability
What does random allocation control for?
What does random allocation control for?
Individual differences
When must right to withdraw be offered?
When must right to withdraw be offered?
Before, during and after
Which test is used with independent groups design?
Which test is used with independent groups design?
Mann-Whitney U test
For Mann-Whitney U, when is the result significant?
For Mann-Whitney U, when is the result significant?
Observed value ≤ critical value