Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International Advanced Level
Tuesday 5 May 2026 Mark Scheme (Results)
Morning (Time: 1 hour 30 minutes) Paper
reference WPS01/01
Psychology
International Advanced Subsidiary
Summer 2026
UNIT 1: Social and Cognitive Psychology
You do not need any other materials. Total Marks
Instructions
•• Use black ink or ball-point pen.
Fill in the boxes at the top of this page with your name,
centre number and candidate number. Pearson Edexcel International Advanced Subsidiary level
•• Answer all questions.
Answer the questions in the spaces provided
In Psychology
– there may be more space than you need. Social and Cognitive Psychology
Information WPS01/01
•• The total mark for this paper is 64.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
•• The list of formulae and statistical tables are printed at the start of this paper.
Candidates may use a calculator.
Advice
•• Read each question carefully before you start to answer it.
Try to answer every question.
• Check your answers if you have time at the end.
Turn over
P79768A
P:1/1/1
Pearson Education Ltd. *P79768A0124*
, Edexcel and BTEC Qualifications
FORMULAE AND STATISTICAL TABLES
Standard deviation (sample estimate)
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
x
x
2
Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest awarding
n
1
body. We provide a wide range of qualifications including academic, vocational,
occupational and specific programmes for employers. For further information visit
Spearman’s rank correlation coefficient
our qualifications websites at or . Alternatively,
6
d2 you can get in touch with us using the details on our contact us page at
1
n
n 2 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 Pearson: helping people progress, everywhere
5 0.900 1.000 1.000 1.000 1.000
6 0.829 0.886 0.943 1.000 1.000 Pearson aspires to be the world’s leading learning company. Our aim is to help
7 0.714 0.786 0.893 0.929 0.964 everyone progress in their lives through education. We believe in every kind of
8 0.643 0.738 0.833 0.881 0.905 learning, for all kinds of people, wherever they are in the world. We’ve been involved in
9 0.600 0.700 0.783 0.833 0.867 education for over 150 years, and by working across 70 countries, in 100 languages,
10 0.564 0.648 0.745 0.794 0.830 we have built an international reputation for our commitment to high standards and
11 0.536 0.618 0.709 0.755 0.800 raising achievement through innovation in education. Find out more about how we
12 0.503 0.587 0.678 0.727 0.769
can help you and your students at:
13 0.484 0.560 0.648 0.703 0.747
14 0.464 0.538 0.626 0.679 0.723
15 0.446 0.521 0.604 0.654 0.700
16 0.429 0.503 0.582 0.635 0.679
17 0.414 0.485 0.566 0.615 0.662
18 0.401 0.472 0.550 0.600 0.643
19 0.391 0.460 0.535 0.584 0.628
20 0.380 0.447 0.520 0.570 0.612
21 0.370 0.435 0.508 0.556 0.599
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 Summer 2026
25 0.337 0.398 0.466 0.511 0.551 Question Paper Log Number P79768A
26 0.331 0.390 0.457 0.501 0.541 Publication Code WPS01_01_2606_MS
27 0.324 0.382 0.448 0.491 0.531 All the material in this publication is
28 0.317 0.375 0.440 0.483 0.522 Pearson Education Ltd
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
1 DD02571
1/
*P79768A0224*
©2020 Pearson Education Ltd.
, General Marking Guidance
Chi-squared distribution formula
O
E
2
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
X
2
df
r
1
c
1
• All candidates must receive the same treatment. Examiners must mark the first
E
candidate in exactly the same way as they mark the last.
Critical values for chi-squared distribution
• Mark schemes should be applied positively. Candidates must be rewarded for
Level of significance for a one-tailed test what they have shown they can do rather than penalised for omissions.
0.10 0.05 0.025 0.01 0.005 0.0005
• Examiners should mark according to the mark scheme not according to their
Level of significance for a two-tailed test
df 0.20 0.10 0.05 0.025 0.01 0.001 perception of where the grade boundaries may lie.
1 1.64 2.71 3.84 5.02 6.64 10.83 • There is no ceiling on achievement. All marks on the mark scheme should be used
2 3.22 4.61 5.99 7.38 9.21 13.82 appropriately.
3 4.64 6.25 7.82 9.35 11.35 16.27
4 5.99 7.78 9.49 11.14 13.28 18.47 • All the marks on the mark scheme are designed to be awarded. Examiners should
5 7.29 9.24 11.07 12.83 15.09 20.52 always award full marks if deserved, i.e. if the answer matches the mark scheme.
6 8.56 10.65 12.59 14.45 16.81 22.46 Examiners should also be prepared to award zero marks if the candidate’s
7 9.80 12.02 14.07 16.01 18.48 24.32
8 11.03 13.36 15.51 17.54 20.09 26.12 response is not worthy of credit according to the mark scheme.
9 12.24 14.68 16.92 19.02 21.67 27.88 • Where some judgement is required, mark schemes will provide the principles by
10 13.44 15.99 18.31 20.48 23.21 29.59 which marks will be awarded and exemplification may be limited.
11 14.63 17.28 19.68 21.92 24.73 31.26 • When examiners are in doubt regarding the application of the mark scheme to a
12 15.81 18.55 21.03 23.34 26.22 32.91
candidate’s response, the team leader must be consulted.
13 16.99 19.81 22.36 24.74 27.69 34.53
14 18.15 21.06 23.69 26.12 29.14 36.12 • Crossed out work should be marked UNLESS the candidate has replaced it with an
15 19.31 22.31 25.00 27.49 30.58 37.70 alternative response.
16 20.47 23.54 26.30 28.85 32.00 39.25
17 21.62 24.77 27.59 30.19 33.41 40.79
18 22.76 25.99 28.87 31.53 34.81 42.31
19 23.90 27.20 30.14 32.85 36.19 43.82
20 25.04 28.41 31.41 34.17 37.57 45.32
21 26.17 29.62 32.67 35.48 38.93 46.80
22 27.30 30.81 33.92 36.78 40.29 48.27
23 28.43 32.01 35.17 38.08 41.64 49.73
24 29.55 33.20 36.42 39.36 42.98 51.18
25 30.68 34.38 37.65 40.65 44.31 52.62
26 31.80 35.56 38.89 41.92 45.64 54.05
27 32.91 36.74 40.11 43.20 46.96 55.48
28 34.03 37.92 41.34 44.46 48.28 56.89
29 35.14 39.09 42.56 45.72 49.59 58.30
30 36.25 40.26 43.77 46.98 50.89 59.70
40 47.27 51.81 55.76 59.34 63.69 73.40
50 58.16 63.17 67.51 71.42 76.15 86.66
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
2
DD02571
1/
*P79768A0324*
©2020 Pearson Education Ltd.
Turn over
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International Advanced Level
Tuesday 5 May 2026 Mark Scheme (Results)
Morning (Time: 1 hour 30 minutes) Paper
reference WPS01/01
Psychology
International Advanced Subsidiary
Summer 2026
UNIT 1: Social and Cognitive Psychology
You do not need any other materials. Total Marks
Instructions
•• Use black ink or ball-point pen.
Fill in the boxes at the top of this page with your name,
centre number and candidate number. Pearson Edexcel International Advanced Subsidiary level
•• Answer all questions.
Answer the questions in the spaces provided
In Psychology
– there may be more space than you need. Social and Cognitive Psychology
Information WPS01/01
•• The total mark for this paper is 64.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
•• The list of formulae and statistical tables are printed at the start of this paper.
Candidates may use a calculator.
Advice
•• Read each question carefully before you start to answer it.
Try to answer every question.
• Check your answers if you have time at the end.
Turn over
P79768A
P:1/1/1
Pearson Education Ltd. *P79768A0124*
, Edexcel and BTEC Qualifications
FORMULAE AND STATISTICAL TABLES
Standard deviation (sample estimate)
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
x
x
2
Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest awarding
n
1
body. We provide a wide range of qualifications including academic, vocational,
occupational and specific programmes for employers. For further information visit
Spearman’s rank correlation coefficient
our qualifications websites at or . Alternatively,
6
d2 you can get in touch with us using the details on our contact us page at
1
n
n 2 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 Pearson: helping people progress, everywhere
5 0.900 1.000 1.000 1.000 1.000
6 0.829 0.886 0.943 1.000 1.000 Pearson aspires to be the world’s leading learning company. Our aim is to help
7 0.714 0.786 0.893 0.929 0.964 everyone progress in their lives through education. We believe in every kind of
8 0.643 0.738 0.833 0.881 0.905 learning, for all kinds of people, wherever they are in the world. We’ve been involved in
9 0.600 0.700 0.783 0.833 0.867 education for over 150 years, and by working across 70 countries, in 100 languages,
10 0.564 0.648 0.745 0.794 0.830 we have built an international reputation for our commitment to high standards and
11 0.536 0.618 0.709 0.755 0.800 raising achievement through innovation in education. Find out more about how we
12 0.503 0.587 0.678 0.727 0.769
can help you and your students at:
13 0.484 0.560 0.648 0.703 0.747
14 0.464 0.538 0.626 0.679 0.723
15 0.446 0.521 0.604 0.654 0.700
16 0.429 0.503 0.582 0.635 0.679
17 0.414 0.485 0.566 0.615 0.662
18 0.401 0.472 0.550 0.600 0.643
19 0.391 0.460 0.535 0.584 0.628
20 0.380 0.447 0.520 0.570 0.612
21 0.370 0.435 0.508 0.556 0.599
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 Summer 2026
25 0.337 0.398 0.466 0.511 0.551 Question Paper Log Number P79768A
26 0.331 0.390 0.457 0.501 0.541 Publication Code WPS01_01_2606_MS
27 0.324 0.382 0.448 0.491 0.531 All the material in this publication is
28 0.317 0.375 0.440 0.483 0.522 Pearson Education Ltd
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
1 DD02571
1/
*P79768A0224*
©2020 Pearson Education Ltd.
, General Marking Guidance
Chi-squared distribution formula
O
E
2
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
X
2
df
r
1
c
1
• All candidates must receive the same treatment. Examiners must mark the first
E
candidate in exactly the same way as they mark the last.
Critical values for chi-squared distribution
• Mark schemes should be applied positively. Candidates must be rewarded for
Level of significance for a one-tailed test what they have shown they can do rather than penalised for omissions.
0.10 0.05 0.025 0.01 0.005 0.0005
• Examiners should mark according to the mark scheme not according to their
Level of significance for a two-tailed test
df 0.20 0.10 0.05 0.025 0.01 0.001 perception of where the grade boundaries may lie.
1 1.64 2.71 3.84 5.02 6.64 10.83 • There is no ceiling on achievement. All marks on the mark scheme should be used
2 3.22 4.61 5.99 7.38 9.21 13.82 appropriately.
3 4.64 6.25 7.82 9.35 11.35 16.27
4 5.99 7.78 9.49 11.14 13.28 18.47 • All the marks on the mark scheme are designed to be awarded. Examiners should
5 7.29 9.24 11.07 12.83 15.09 20.52 always award full marks if deserved, i.e. if the answer matches the mark scheme.
6 8.56 10.65 12.59 14.45 16.81 22.46 Examiners should also be prepared to award zero marks if the candidate’s
7 9.80 12.02 14.07 16.01 18.48 24.32
8 11.03 13.36 15.51 17.54 20.09 26.12 response is not worthy of credit according to the mark scheme.
9 12.24 14.68 16.92 19.02 21.67 27.88 • Where some judgement is required, mark schemes will provide the principles by
10 13.44 15.99 18.31 20.48 23.21 29.59 which marks will be awarded and exemplification may be limited.
11 14.63 17.28 19.68 21.92 24.73 31.26 • When examiners are in doubt regarding the application of the mark scheme to a
12 15.81 18.55 21.03 23.34 26.22 32.91
candidate’s response, the team leader must be consulted.
13 16.99 19.81 22.36 24.74 27.69 34.53
14 18.15 21.06 23.69 26.12 29.14 36.12 • Crossed out work should be marked UNLESS the candidate has replaced it with an
15 19.31 22.31 25.00 27.49 30.58 37.70 alternative response.
16 20.47 23.54 26.30 28.85 32.00 39.25
17 21.62 24.77 27.59 30.19 33.41 40.79
18 22.76 25.99 28.87 31.53 34.81 42.31
19 23.90 27.20 30.14 32.85 36.19 43.82
20 25.04 28.41 31.41 34.17 37.57 45.32
21 26.17 29.62 32.67 35.48 38.93 46.80
22 27.30 30.81 33.92 36.78 40.29 48.27
23 28.43 32.01 35.17 38.08 41.64 49.73
24 29.55 33.20 36.42 39.36 42.98 51.18
25 30.68 34.38 37.65 40.65 44.31 52.62
26 31.80 35.56 38.89 41.92 45.64 54.05
27 32.91 36.74 40.11 43.20 46.96 55.48
28 34.03 37.92 41.34 44.46 48.28 56.89
29 35.14 39.09 42.56 45.72 49.59 58.30
30 36.25 40.26 43.77 46.98 50.89 59.70
40 47.27 51.81 55.76 59.34 63.69 73.40
50 58.16 63.17 67.51 71.42 76.15 86.66
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
2
DD02571
1/
*P79768A0324*
©2020 Pearson Education Ltd.
Turn over
