Pearson
Edexcel Level 3
GCE
PSYCHOLOGY
Advanced
PAPER 1
QUESTION
PAPER JUNE
2023 9PSO/01
May 2023
,Instructions
•• Use black ink or ball-point pen.
Fill in the boxes at the top of this page with your
centre number and candidate number.
•• Answer
name,
all
Answer the questions in the spaces
provided
questions.– there may be more space than
you need.
Information
•• The total mark for this paper is 90.
The marks for each question are shown in
– use this as a guide as to how much time to spend on each question.
• The list of formulae and statistical value tables are printed at the start of this paper.
• Candidates may use a
brackets
Advice
•
calculator.
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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