2017 paper mistakes

Question 1

Which of these would be an extraneous variable?
A - age
B- eyesight
C - height
D - Income

Answer 1

B - eyesight

Question 2

What distribution is this?

Answer 2

Normal distribution curve

Question 3

What distribution is this?

Answer 3

Positive skewed distribution curve

Question 4

What distribution is this?

Answer 4

Negative skewed distribution curve

Question 5

What type of scale involves asking people to respond to a series of statements about something in terms of the extent to which they agree or disagree with them?

Answer 5

Likert scale

Question 6

What is a semi - structured interview?

Answer 6

When questions asked are prepared in advance (structured), while others are created at the time of the interview (unstructured)

Question 7

How would you calculate the standard deviation?

Answer 7

1. work out the difference between each individual score - compared to the mean
2. square this difference
3. find the sum of all differences squared
4. divide the sum of the differences squared by the total number of participants
5. find the square root

Question 8

What information would the standard deviation provide?

Answer 8

Informs us of the dispersion across scores around the average

Question 9

Hypothesis testing

Answer 9

Predictions are made about the likely outcome of research to be conducted, using the null and alternative hypothesis

Question 10

Manipulation of variables

Answer 10

Refers to how the independent variable is operationalised to assess the effects on the DV.