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  3. "Paper 2: source-based questions"

"Paper 2: source-based questions"

Read Paper 2 sources for origin, purpose, meaning, methods and corroboration, compare two sources point by point, and integrate all the sources with own knowledge in a 12-mark evaluation.

  • IB Digital Society
  • Exam skills
  • SL and HL

14 min readLast reviewed 15 Oct 2026

How Paper 2 works

Paper 2 is the same paper at SL and HL. It presents a set of sources on one theme from the common course, usually four sources labelled A to D, and asks four compulsory questions. The sources can be text (news articles, blog posts, reports, social media posts), visuals (photographs, cartoons, advertisements), data (tables, charts) or diagrams and infographics. They are chosen to show different claims and perspectives on the theme.

Question

Marks

Level

What it demands

1

2

AO1

Knowledge and understanding of one source: identifying a claim or perspective, or describing what an infographic, diagram or data set shows. May be split, for example 1 + 1

2

4

AO2

Application and analysis: explaining a claim or perspective, or analysing how a term or technique is used. May be split, for example 2 + 2

3

6

AO3

Comparing and/or contrasting two sources, often their claims and perspectives. May also ask for your own knowledge

4

12

AO3

Evaluation and synthesis that integrates evidence from the sources with your own knowledge from the course. Marked with markbands

The marks rise steeply. Question 4 is worth half the paper, and questions 3 and 4 together are worth three quarters. Time spent on questions 1 and 2 should match their small mark allocations.

Every answer in Paper 2 must be anchored in the sources. Refer to each source by its letter, quote or paraphrase it briefly, and say what the evidence shows. An answer that could have been written without reading the sources earns little, even in question 4.

Reading sources

The course toolkit gives three overlapping ways to examine a source. They apply to every question, and they are especially useful in questions 2 and 3.

Facet

Questions to ask

Why it matters

Origin and purpose

Who made it, when and where? Is the author hidden? Why was it made: to inform, persuade, sell, campaign?

Shows potential bias and the source's value and limitations for different people and communities

Meaning and methods

What is the main message? What techniques support it: word choice, images, statistics, layout, design?

Shows how the source tries to convince, and whether its methods are sound

Corroboration and use

Do other sources or your own knowledge support or contradict it? How has it been shared or used, and by whom?

Helps judge reliability and validity

Each source can be annotated quickly with these three facets once writing begins (nothing may be written during the reading time at the start). A few words in the margin, such as "campaign group, persuasive", "US survey, teachers' views only" or "agrees with C on distraction", provide most of the material for questions 2 to 4.

Reading data and visual sources

Charts and infographics are sources too, with an origin, a purpose and methods. Read the title, the axis labels, the units, the date and the sample before the bars or lines. Ask what the data measures (behaviour, opinion, outcome), who was asked, and what it cannot show. A survey of opinions shows what people believe, not what is true; a correlation shows that two things occur together, not that one causes the other.

Common mistake

Treating a data source as neutral because it contains numbers. The choice of what to measure, whom to ask, how to word the question and which scale to use for an axis are all methods that shape the message. Comment on them when a question asks about a source's methods or limitations.

Questions 1 and 2

Question 1 tests reading. A request to identify two claims needs two short, distinct points taken from the source, in the student's own words or as brief quotations. A request to describe information in a chart needs specific values or trends with units. No explanation is needed.

Question 2 asks for application and analysis, often of one source. The key is to go one step beyond the source: explain why the author makes the claim, how a technique supports it, or what a term means in this context. For a two-plus-two split, write two short paragraphs, each with a point from the source and an explanation.

Exam tip

For a limitation, be specific to the source. "It might be biased" earns little. "The chart shows teachers' opinions in the United States, so it cannot show whether banning phones improves learning in other countries" identifies the limitation, explains it, and links it to the question.

Question 3: comparing and contrasting two sources

Question 3 asks for a comparison and/or contrast of two named sources, usually their claims and perspectives. The command term requires the answer to refer to both sources throughout. Two separate summaries, one of each source, do not compare.

A point-by-point structure meets this demand:

  1. Choose three or four themes on which both sources say something (their main claim, their evidence, their perspective, their methods or purpose).

  2. Write one short paragraph per theme, covering both sources in each paragraph.

  3. Use linking words that signal comparison: both, similarly, whereas, however, unlike, in contrast.

  4. Include at least one similarity and one difference if the question says "compare and contrast". If it says only "compare" or only "contrast", focus on what it asks for.

Six marks suggest about three developed points, each supported by evidence from both sources. Sorting the points before writing, for example in a quick two-circle diagram, makes it easier to see which are shared and which belong to one source only.

Tip

A quick check after writing question 3: every paragraph should contain both source letters. A paragraph that mentions only one source summarises rather than compares.

Question 4: integrating sources with own knowledge

Question 4 asks for an evaluation of a claim or issue "using all the sources and your own knowledge". It is the longest answer in the paper and is marked with markbands.

Marks

Understanding and knowledge

Use of sources

Organisation

1–3

Limited understanding of the question; limited relevant knowledge

Evidence from the sources is not integrated

Limited

4–6

Some understanding; knowledge not always relevant or accurate

Partially integrated

Partially organised

7–9

Adequate understanding; relevant, accurate knowledge with some lapses

Adequately integrated, but not sustained

Adequately organised

10–12

Focused, in-depth understanding; relevant, accurate knowledge throughout that adds insight

Consistent and effective integration of source evidence

Well structured, effectively organised

The markbands combine two demands. Answers that use only the sources, or only their own knowledge, cannot reach the top band. Integration means using sources and own knowledge together in the same argument: a source makes a claim, own knowledge supports or challenges it, and the answer judges what the combination shows.

A structure for question 4

  • Opening: state the judgement on the claim in one or two sentences.

  • Body (three or four paragraphs): each paragraph makes one argument, draws on at least one source by letter, adds a piece of own knowledge (a real-world example, a course concept, data), and comments on the strength of the evidence where useful.

  • Conclusion: weigh the arguments and give a judgement with conditions.

Use every source at least once. The sources often represent different stakeholders, so grouping them by perspective helps to build a balanced argument.

Exam tip

Commenting on a source's origin or methods inside question 4 adds insight. "Source C is a campaign group's blog, so its stories are chosen to persuade; Source D's research evidence is stronger, though it covers only English schools" shows evaluation of the evidence, not only use of it.

Timing

Paper 2 allows about three minutes per mark. A sensible plan:

  • about 10–12 minutes reading and annotating all four sources;

  • about 4 minutes for question 1;

  • about 8 minutes for question 2;

  • about 15 minutes for question 3;

  • about 35 minutes for question 4, including a short plan.

Time spent reading is not wasted. Careful annotation in the first ten minutes makes questions 3 and 4 quicker to plan.

A practice paper

The practice paper follows the format of Paper 2. Sources A, C and D were written for this exercise and describe no real school or organisation. Source B presents real survey data, and Source D refers to a real study; both are cited.

Theme: smartphones in schools

Source A. Letter to parents from the principal of a secondary school (written for this exercise).

From the start of next term, students will not be able to use their phones during the school day. Phones will be locked in a pouch at the school gate and unlocked at the end of the day. Teachers have told us that phones are the single biggest distraction in lessons, and our pastoral team has dealt with more cases of online bullying this year than ever before. We want break times to be about talking and playing, not scrolling. Parents who need to contact their child urgently can call the school office.

Source B. Survey of public school teachers in the United States (Pew Research Center, 2024).

Bar chart of US teachers who say students being distracted by cellphones in class is a major problem: elementary school teachers 6%, middle school teachers 33%, high school teachers 72%.Bar chart of US teachers who say students being distracted by cellphones in class is a major problem: elementary school teachers 6%, middle school teachers 33%, high school teachers 72%.
Share of US public K–12 teachers who say that students being distracted by cellphones in class is a major problem, by school level. Survey conducted in autumn 2023. Source: Pew Research Center, 2024.

Source C. Blog post by a parents' campaign group (written for this exercise).

Every parent in our group has a story. A daughter who stopped sleeping because of group chats at midnight. A son who was filmed in the changing room and saw the video shared before lunch. Teachers tell us they spend their lessons fighting for attention against apps designed to be addictive. A phone-free school day is the simplest way to give children their childhood back. Schools that have done it say the playground is noisy again, in the best way. We are asking every school in the region to follow.

Source D. Article on the website of a student-led digital rights group (written for this exercise).

No one denies that phones can distract in lessons. But a blanket ban treats every student as a problem and every phone as a toy. Many of us use our phones to manage medical conditions, to translate lessons, or to stay in touch with a parent working night shifts. The evidence for bans is also weaker than campaigners claim: a 2025 study of 1,227 students at 30 secondary schools in England found no evidence that those at schools with restrictive phone policies had better mental well-being. They used their phones less during school hours, but their total use on weekdays and at weekends was no lower. Schools should teach students to manage their phones, not lock them away.

Questions

Worked example

Question 1. Identify two reasons given in Source A for introducing the ban. [2]

Model answer
  • Teachers report that phones are the biggest distraction in lessons.

  • The school has dealt with more cases of online bullying this year than before.

Each reason is distinct, taken directly from the source and stated briefly. A third reason (wanting break times for talking and playing) would also have earned a mark; no explanation is needed.

Worked example

Question 2. (a) Describe what Source B shows about how teachers' views differ by school level. [2] (b) Explain one limitation of Source B as evidence to support the decision in Source A. [2]

Model answer

(a) The share of teachers who say phone distraction is a major problem rises sharply with the age of students: 6% of elementary school teachers, 33% of middle school teachers and 72% of high school teachers.

(b) Source B measures teachers' opinions about distraction, not the effects of a ban. It shows that many high school teachers see a problem, but it cannot show that locking phones away, as Source A plans, would reduce distraction or improve learning. It also comes from the United States, so it may not represent teachers in Source A's school system.

Part (a) gives the trend with specific values and units. Part (b) names a limitation based on the source's methods (opinions, not outcomes) and origin (United States), and links it to Source A's decision, which is what explain asks for.

Worked example

Question 3. Compare and contrast the claims and perspectives of Sources C and D about phone bans in schools. [6]

Model answer
Two overlapping circles. Source C only: parents' group, wants a full school-day ban, safety and distraction, personal stories. Both: phones can distract, young people's well-being, one-sided. Source D only: student-led group, opposes bans, students' needs, teach phone skills, cites research.Two overlapping circles. Source C only: parents' group, wants a full school-day ban, safety and distraction, personal stories. Both: phones can distract, young people's well-being, one-sided. Source D only: student-led group, opposes bans, students' needs, teach phone skills, cites research.
A quick sort of the points in Sources C and D before writing. Points in the overlap become similarities; points in one circle become differences.

Both sources accept that phones can cause problems in school. Source C says teachers are "fighting for attention" against addictive apps, and Source D agrees that "no one denies that phones can distract in lessons". They differ sharply, however, on the solution: Source C calls for a phone-free school day in every school, whereas Source D argues that schools should teach students to manage their phones rather than "lock them away".

The sources also use different kinds of evidence. Source C relies on personal stories from parents, such as a child filmed in a changing room, which are emotionally powerful but cannot show how common such harms are. Source D, in contrast, cites a study of 1,227 students at 30 schools in England, which found no evidence that restrictive policies improved mental well-being, so its evidence is more systematic, although it covers only one country.

Their perspectives reflect their origins. Source C is written by a parents' campaign group whose purpose is to persuade schools to act, and it presents students mainly as children who need protection. Source D is written by a student-led group and presents students as capable users with legitimate needs, such as managing medical conditions or contacting working parents. Both are one-sided campaign texts, but they speak for different people and communities affected by the same policy.

The answer refers to both sources in every paragraph and covers three themes: claims, evidence, and perspectives with origins. It includes similarities and differences, uses short quotations, and comments on the strength of each source's evidence, which is the level of development six marks require.

Worked example

Question 4. Using all the sources and your own knowledge, evaluate the claim that schools should ban smartphones during the school day. [12]

Model answer

The sources show that smartphones cause real problems in schools, especially for older students, but the evidence that full-day bans solve those problems is weaker than the case for banning phones in lessons. Schools should therefore restrict phones in lessons, but a full-day ban is justified only where it allows exceptions for students who need their phones.

The strongest argument for a ban is distraction. Source B shows that 72% of US high school teachers see phone distraction as a major problem, and Source A reports the same concern from teachers in its school. This matches a wider trend: UNESCO found that about 30% of education systems had banned smartphones in schools in law or policy by the end of 2023, and its 2023 Global Education Monitoring Report recommended technology in classrooms only when it supports learning. However, Source B measures teachers' opinions in one country rather than the effect of bans, so it shows that a problem is widely felt, not that a ban is the right response.

A second argument concerns students' well-being and safety. Source C's stories of late-night group chats and a video shared during the school day describe real forms of harm, and Source A reports rising online bullying. Yet the strongest systematic evidence among the sources points the other way. Source D cites a 2025 study of 30 English secondary schools that found no evidence of better mental well-being in schools with restrictive policies, and no lower phone use overall. Much of the harm Source C describes happens at night and outside school, beyond the reach of a school-day ban. Through the concept of power, a ban gives schools control over students' phones for seven hours, while the platforms whose design encourages constant use remain unaffected.

The perspectives of the sources also matter. Sources A and C speak for adults responsible for children, while Source D speaks for students, some of whom rely on phones for medical needs, translation or contact with family. A blanket ban that ignores these needs treats a minority unfairly, which is an ethical cost that the other sources do not consider. The Netherlands offers a useful middle path: its national guideline, in force from January 2024, keeps phones out of secondary school classrooms but allows exceptions for medical needs and for lessons where devices are used for learning.

The claim is justified only in part. Restricting phones during lessons is well supported, because distraction is widely reported and teachers can see its effects. A full-day ban goes further than the evidence supports for well-being, and it should include clear exceptions so that it does not disadvantage students who depend on their phones. Schools that ban phones should also teach the digital skills that Source D calls for, since students will still face the same apps after the school day ends.

This response would reach the 10–12 band. It states a conditional judgement at the start and returns to it at the end. Every source is used, each by letter, and own knowledge (the UNESCO report, the Dutch guideline, the concept of power) is woven into the same paragraphs as the sources rather than added separately. It also evaluates the evidence itself, contrasting opinion data and personal stories with a systematic study, which is the insight the top band describes.

Checklist

  • To do:

    I know the demand and marks of each of the four questions.

  • To do:

    I annotate every source for origin and purpose, meaning and methods, and corroboration and use.

  • To do:

    I read data sources for what they measure, whom they cover and what they cannot show.

  • To do:

    I answer questions 1 and 2 briefly and precisely, with specific limitations rather than "it might be biased".

  • To do:

    I compare two sources point by point, with both letters in every paragraph.

  • To do:

    I use every source in question 4 and integrate them with my own knowledge in the same paragraphs.

  • To do:

    I comment on the strength of source evidence inside my evaluation.

  • To do:

    I spend about half my time on question 4.

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More IB Digital Society notes

  • "Paper 1 Section B: the HL extended response"The page before this. HL only.
  • "Paper 3: challenges and interventions"The next page. HL only.
  • Digital Society assessmentEach Digital Society paper, the internal assessment and grade boundaries.
  • IB Digital SocietyThe Digital Society syllabus, how it is assessed and every notes page.

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