Practical Investigation (Edexcel A-Level Psychology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What does correlational research examine about the relationship between variables?
What does correlational research examine about the relationship between variables?
The strength and direction of relationship
What does the null hypothesis state about a relationship between variables?
What does the null hypothesis state about a relationship between variables?
No relationship; any found is due to chance
What does operationalisation mean in research?
What does operationalisation mean in research?
Defining precisely how variables are measured
Why are controls essential in correlational research?
Why are controls essential in correlational research?
To ensure measures aren't affected by other factors
What is a characteristic of opportunity sampling?
What is a characteristic of opportunity sampling?
Recruiting people who are readily available
What is the minimum age for participants in the practical investigation?
What is the minimum age for participants in the practical investigation?
No one under 16
What level of data is required at minimum for Spearman's rho?
What level of data is required at minimum for Spearman's rho?
Ordinal (ranked) data
What is the minimum probability level acceptable in psychological research?
What is the minimum probability level acceptable in psychological research?
0.05 (5%)
When is the null hypothesis accepted in Spearman's rho?
When is the null hypothesis accepted in Spearman's rho?
When observed value is less than critical value
What does validity refer to in research?
What does validity refer to in research?
Whether variables measured intended concepts