Statistics: Inferential & Descriptive (OCR A-Level Psychology): Quizzes
📚Quizzes
Practise the questions
15 questions from this quiz
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Practise the questions
15 questions from this quiz
What does statistical testing help determine?
What does statistical testing help determine?
Whether hypotheses should be accepted or rejected
What is the range of values for a correlation coefficient (r)?
What is the range of values for a correlation coefficient (r)?
Between -1 and +1
What does a correlation coefficient of +1 represent?
What does a correlation coefficient of +1 represent?
A positive correlation
What does a correlation coefficient of -1 represent?
What does a correlation coefficient of -1 represent?
A negative correlation
When is the relationship between co-variables stronger?
When is the relationship between co-variables stronger?
Closer to -1 or +1
What do inferential statistics help determine?
What do inferential statistics help determine?
If differences are statistically significant
How many factors are considered when choosing a statistical test?
How many factors are considered when choosing a statistical test?
Three factors
Which test is used for repeated measures design with ordinal data?
Which test is used for repeated measures design with ordinal data?
Wilcoxon Test
Which test is used for independent groups with interval data?
Which test is used for independent groups with interval data?
Unrelated T Test
Which test is used for correlations with ordinal data?
Which test is used for correlations with ordinal data?
Spearman Rho Test
What type of data is represented in the form of categories?
What type of data is represented in the form of categories?
Nominal data
Why is ordinal data referred to as 'unsafe'?
Why is ordinal data referred to as 'unsafe'?
Based on subjective opinion, not objective measures
What is the most precise and sophisticated form of data in psychology?
What is the most precise and sophisticated form of data in psychology?
Interval data
What is a key characteristic of interval data?
What is a key characteristic of interval data?
Units of equal, precisely defined size
Which test is used for independent groups with ordinal data?
Which test is used for independent groups with ordinal data?
Mann-Whitney U Test