# Correlation

## Quiz by Amie Harris

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20 questions
• Q1
What is meant by a negative correlation
when one variable decreases, so does the other
when one variable increases the other decreases
when one variable increases, so does the other
30s
• Q2
What is meant by no correlation
when both variables decrease at the same rate
When there is no relationship between the two variables
when one variable increases the other decreases
30s
• Q3
Identify a strength of a correlation
Allows research to establish cause and effect
Makes a good pilot study to generate a hypothesis for an experiment
30s
• Q4
Identify a weakness of a correlation
The results from correlations can be misleading
Correlations are difficult to analyse
30s
• Q5
What type of relationship would I have if I found a correlation coefficient of 0.8?
strong positive correlation
positive correlation
perfect positive correlation
no correlation
30s
• Q6
what type of relationship would I have if I found a correlation coefficient of -0.5?
negative correlation
moderate negative correlation
strong negative correlation
perfect negative correlation
30s
• Q7
what type of relationship would I have found if I found a correlation coefficient of 0.3?
moderate positive correlation
weak positive correlation
strong positive correlation
moderate negative correlation
30s
• Q8
The variables that are measured in a correlation are known as...
dependent variables
independent variable and dependent variable
co-variables
variables
30s
• Q9
Correlations can establish cause and effect
true
false
30s
• Q10
The more revision, the higher the grade. Which type of relationship is occurring here?
negative relationship
no relationship
positive relationship
30s
• Q11
When looking at a scatter graph, how would I know how many participants there are.
by counting the number in the X axis
by counting the number in the Y axis
by looking at how many dots there are on the graph
30s
• Q12
Identify the operationalised null hypothesis for this correlational research
there will be no effect between height (cms) and weight (kgs)
there will be no relationship between height (cms) and weight (kgs)
there will be no relationship between height and weight
there will be a relationship between height and weight
30s
• Q13
Identify the correct ways that you can collect the data on two co-variables?
interviews and questionnaires
open questions and closed questions
observations, quantitative tests & questions
interviews and closed questions
30s
• Q14
Correlations only collect quantitative data
false
true
30s
• Q15
It does not matter which co-variable is plotted on the x-axis and which on the y-axis:
true
false
30s

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