[Date] Pearson Edexcel
Level 3 GCE
PSYCHOLOGY
Advanced PAPER
3 QUESTION
PAPER JUNE
2023 9PSO/03
May 2023
[Author name]
[COMPANY NAME]
,Instructions
• Use
• centrethe
black ink or ball-point pen.
Fill in boxes at the top of this page with your name,
number and candidate number.
• Answer all
• Answer
provided
the questions in the spaces
questions.– there may be more space than
you need.
Information
• The
• The
total mark for this paper is 80.
marks for each question are shown in brackets
• The list of formulae and statistical tables are printed at the start of this
– use this as a guide as to how much time to spend on each question.
• paper. Candidates may use a calculator.
Advice
• Read each question carefully before you start to answer it.
• Try to answer every
• Check your answers if you have time at the end.
question.
Turn over
, FORMULAE AND STATISTICAL TABLES
Standard deviation (sample estimate)
AREA
DO NOT WRITE IN THIS
( x − x )2
n −1
Spearman’s rank correlation coefficient
6d2
n (n2 −1)
1−
Critical values for Spearman’s rank
Level of significance for a one-tailed test
0.05 0.025 0.01 0.005 0.0025
Level of significance for a two-tailed test
N 0.10 0.05 0.025 0.01 0.005
5 0.900 1.000 1.000 1.000 1.000
22 0.361 0.425 0.496 0.544 0.586
23 0.353 0.415 0.486 0.532 0.573
24 0.344 0.406 0.476 0.521 0.562
25 0.337 0.398 0.466 0.511 0.551
26 0.331 0.390 0.457 0.501 0.541
27 0.324 0.382 0.448 0.491 0.531
28 0.317 0.375 0.440 0.483 0.522
29 0.312 0.368 0.433 0.475 0.513
30 0.306 0.362 0.425 0.467 0.504
The calculated value must be equal to or exceed the critical value in this table
for significance to be shown.
2
, Chi-squared distribution formula
(O − E )
2
X2 = df = (r −1)(c −1)
E
DO NOT WRITE IN THIS
Critical values for chi-squared distribution
Level of significance for a one-tailed test
0.10 0.05 0.025 0.01 0.005 0.0005
Level of significance for a two-tailed test
df 0.20 0.10 0.05 0.025 0.01 0.001
AREA
60 68.97 74.40 79.08 83.30 88.38 99.61
70 79.72 85.53 90.53 95.02 100.43 112.32
The calculated value must be equal to or exceed the critical value in this table
for significance to be shown.
3
Turn over
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