[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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller aceyourmocks. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.69. You're not tied to anything after your purchase.