Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International Advanced Level
Thursday 8 January 2026 Mark Scheme (Results)
Afternoon (Time: 1 hour 30 minutes) Paper
reference WPS01/01
Psychology
International Advanced Subsidiary
UNIT 1: Social and Cognitive Psychology
January 2026
You do not need any other materials. Total Marks
Pearson Edexcel International Advanced Subsidiary level
Instructions In Psychology
•• Use black ink or ball-point pen.
Fill in the boxes at the top of this page with your name,
Social and Cognitive Psychology
centre number and candidate number. WPS01/01
•• Answer all questions.
Answer the questions in the spaces provided
– there may be more space than you need.
Information
•• 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
P79149APearson Education Ltd.
C:1/1/1/1/1/
*P79149A0124*
, FORMULAE AND STATISTICAL TABLES Edexcel and BTEC Qualifications
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 body. We provide a wide range of qualifications including
n
1
academic, vocational, occupational and specific progra .
Fo ion visit our qualifications websites at
Spearman’s rank correlation coefficient or . Alternatively
6
d2 d ct us page at
1
n
n 2 1
Critical values for Spearman’s rank
Pearson: helping people progress, everywhere
Level of significance for a one-tailed test Pearson aspires to be the world’s leading learning company. Our aim is to help
0.05 0.025 0.01 0.005 0.0025 everyone progress in their lives through education. We believe in every kind of
Level of significance for a two-tailed test
learning, for all kinds of people, wherever they are in the world. We’ve been
N 0.10 0.05 0.025 0.01 0.005
5 0.900 1.000 1.000 1.000 1.000 involved in education for over 150 years, and by working across 70 countries, in
6 0.829 0.886 0.943 1.000 1.000 100 languages, we have built an international reputation for our commitment to
7 0.714 0.786 0.893 0.929 0.964 high standards and raising achievement through innovation in education. Find
8 0.643 0.738 0.833 0.881 0.905 out more about how we can help you and your students at:
9 0.600 0.700 0.783 0.833 0.867
10 0.564 0.648 0.745 0.794 0.830
11 0.536 0.618 0.709 0.755 0.800
12 0.503 0.587 0.678 0.727 0.769
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
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 January 2026
28 0.317 0.375 0.440 0.483 0.522 Question Paper Log Number P79149A
29 0.312 0.368 0.433 0.475 0.513 Publication Code WPS01_01_2601_
30 0.306 0.362 0.425 0.467 0.504 the material in this publication is
Pearson Education Ltd
The calculated value must be equal to or exceed the critical value in this table for
significance to be shown.
2
1 DD02571
1/
*P65826A0232*
*P79149A0224*
©2020 Pearson Education Ltd.
, General Marking Guidance
Chi-squared distribution formula
• All candidates must receive the same treatment. Examiners must mark the
O
E
2
df
r
1
c
1
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
first candidate in exactly the same way as they mark the last.
E
• Mark schemes should be applied positively. Candidates must be rewarded
Critical values for chi-squared distribution
for what they have shown they can do rather than penalised for omissions.
Level of significance for a one-tailed test • Examiners should mark according to the mark scheme not according to their
0.10 0.05 0.025 0.01 0.005 0.0005
perception of where the grade boundaries may lie.
Level of significance for a two-tailed test
df 0.20 0.10 0.05 0.025 0.01 0.001 • There is no ceiling on achievement. All marks on the mark scheme should be
1 1.64 2.71 3.84 5.02 6.64 10.83 used appropriately.
2 3.22 4.61 5.99 7.38 9.21 13.82
3 4.64 6.25 7.82 9.35 11.35 16.27 • All the marks on the mark scheme are designed to be awarded. Examiners
4 5.99 7.78 9.49 11.14 13.28 18.47 should always award full marks if deserved, i.e. if the answer matches the
5 7.29 9.24 11.07 12.83 15.09 20.52
mark scheme. Examiners should also be prepared to award zero marks if the
6 8.56 10.65 12.59 14.45 16.81 22.46
7 9.80 12.02 14.07 16.01 18.48 24.32 candidate’s response is not worthy of credit according to the mark scheme.
8 11.03 13.36 15.51 17.54 20.09 26.12 • Where some judgement is required, mark schemes will provide the principles
9 12.24 14.68 16.92 19.02 21.67 27.88
10 13.44 15.99 18.31 20.48 23.21 29.59 by 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
12 15.81 18.55 21.03 23.34 26.22 32.91 to a candidate’s response, the team leader must be consulted.
13 16.99 19.81 22.36 24.74 27.69 34.53 • Crossed out work should be marked UNLESS the candidate has replaced it
14 18.15 21.06 23.69 26.12 29.14 36.12
15 19.31 22.31 25.00 27.49 30.58 37.70 with an 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.
2 DD02571 ©2020 Pearson Education Ltd.
1/
*P65826A0332*
3
*P79149A0324* Turn
Turnover
over
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International Advanced Level
Thursday 8 January 2026 Mark Scheme (Results)
Afternoon (Time: 1 hour 30 minutes) Paper
reference WPS01/01
Psychology
International Advanced Subsidiary
UNIT 1: Social and Cognitive Psychology
January 2026
You do not need any other materials. Total Marks
Pearson Edexcel International Advanced Subsidiary level
Instructions In Psychology
•• Use black ink or ball-point pen.
Fill in the boxes at the top of this page with your name,
Social and Cognitive Psychology
centre number and candidate number. WPS01/01
•• Answer all questions.
Answer the questions in the spaces provided
– there may be more space than you need.
Information
•• 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
P79149APearson Education Ltd.
C:1/1/1/1/1/
*P79149A0124*
, FORMULAE AND STATISTICAL TABLES Edexcel and BTEC Qualifications
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 body. We provide a wide range of qualifications including
n
1
academic, vocational, occupational and specific progra .
Fo ion visit our qualifications websites at
Spearman’s rank correlation coefficient or . Alternatively
6
d2 d ct us page at
1
n
n 2 1
Critical values for Spearman’s rank
Pearson: helping people progress, everywhere
Level of significance for a one-tailed test Pearson aspires to be the world’s leading learning company. Our aim is to help
0.05 0.025 0.01 0.005 0.0025 everyone progress in their lives through education. We believe in every kind of
Level of significance for a two-tailed test
learning, for all kinds of people, wherever they are in the world. We’ve been
N 0.10 0.05 0.025 0.01 0.005
5 0.900 1.000 1.000 1.000 1.000 involved in education for over 150 years, and by working across 70 countries, in
6 0.829 0.886 0.943 1.000 1.000 100 languages, we have built an international reputation for our commitment to
7 0.714 0.786 0.893 0.929 0.964 high standards and raising achievement through innovation in education. Find
8 0.643 0.738 0.833 0.881 0.905 out more about how we can help you and your students at:
9 0.600 0.700 0.783 0.833 0.867
10 0.564 0.648 0.745 0.794 0.830
11 0.536 0.618 0.709 0.755 0.800
12 0.503 0.587 0.678 0.727 0.769
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
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 January 2026
28 0.317 0.375 0.440 0.483 0.522 Question Paper Log Number P79149A
29 0.312 0.368 0.433 0.475 0.513 Publication Code WPS01_01_2601_
30 0.306 0.362 0.425 0.467 0.504 the material in this publication is
Pearson Education Ltd
The calculated value must be equal to or exceed the critical value in this table for
significance to be shown.
2
1 DD02571
1/
*P65826A0232*
*P79149A0224*
©2020 Pearson Education Ltd.
, General Marking Guidance
Chi-squared distribution formula
• All candidates must receive the same treatment. Examiners must mark the
O
E
2
df
r
1
c
1
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
first candidate in exactly the same way as they mark the last.
E
• Mark schemes should be applied positively. Candidates must be rewarded
Critical values for chi-squared distribution
for what they have shown they can do rather than penalised for omissions.
Level of significance for a one-tailed test • Examiners should mark according to the mark scheme not according to their
0.10 0.05 0.025 0.01 0.005 0.0005
perception of where the grade boundaries may lie.
Level of significance for a two-tailed test
df 0.20 0.10 0.05 0.025 0.01 0.001 • There is no ceiling on achievement. All marks on the mark scheme should be
1 1.64 2.71 3.84 5.02 6.64 10.83 used appropriately.
2 3.22 4.61 5.99 7.38 9.21 13.82
3 4.64 6.25 7.82 9.35 11.35 16.27 • All the marks on the mark scheme are designed to be awarded. Examiners
4 5.99 7.78 9.49 11.14 13.28 18.47 should always award full marks if deserved, i.e. if the answer matches the
5 7.29 9.24 11.07 12.83 15.09 20.52
mark scheme. Examiners should also be prepared to award zero marks if the
6 8.56 10.65 12.59 14.45 16.81 22.46
7 9.80 12.02 14.07 16.01 18.48 24.32 candidate’s response is not worthy of credit according to the mark scheme.
8 11.03 13.36 15.51 17.54 20.09 26.12 • Where some judgement is required, mark schemes will provide the principles
9 12.24 14.68 16.92 19.02 21.67 27.88
10 13.44 15.99 18.31 20.48 23.21 29.59 by 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
12 15.81 18.55 21.03 23.34 26.22 32.91 to a candidate’s response, the team leader must be consulted.
13 16.99 19.81 22.36 24.74 27.69 34.53 • Crossed out work should be marked UNLESS the candidate has replaced it
14 18.15 21.06 23.69 26.12 29.14 36.12
15 19.31 22.31 25.00 27.49 30.58 37.70 with an 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.
2 DD02571 ©2020 Pearson Education Ltd.
1/
*P65826A0332*
3
*P79149A0324* Turn
Turnover
over
