CORRELATION

Question 1

What does the CORRELATION ANALYSIS?

Answer 1

Correlation describes the relationship between two continuous variables, in terms of both the strength of the relationship and the direction

Question 2

What do you need for a correlation analysis?

Answer 2

Two variables, both continuous, or one continous and the other dichotomous (two values)

Question 3

Is there any non-parametric alternative for correlation analysis?

Answer 3

Spearman Rank Order Correlation

Question 4

Kva meiner ein med eit “Scatterplot”?

Answer 4

Scatterplots are typically used to explore the relationship between two continuous variables. It indicates whether your variables are positively- or negatively related. It also indicates the strength of the relationship between your two variables

Question 5

What is “Partial Correlation”?

Answer 5

Is used when you wish to explore the relationship between two variables while statistically controlling for a third variable. This is useful when you suspect that the relationship between your two variables of interest may be influenced, by the impact of a third variable. Partial correlation statistically removes the influence of the third variable, giving a cleaner picture of the actual relationship between your two variables

Question 6

What is an example of a research question for “Correlation”?

Answer 6

Is there a relationship between the amount of control people have over their internal states and their levels of perceived stress? Do people with high levels of perceived control experience lower levels of perceived stress?

Question 7

What is “Correlation Coefficients”?

Answer 7

Provide a numerical summary of the direction and the strength of the linear relationship between two variables.