Business Management IA Exemplar: To what extent has Duolingo’s… | RevisionDojo
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IB Business Management HL Internal Assessment Example
To what extent has Duolingo’s unconventional social media strategy contributed to brand virality and user growth?HL
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7
Official IB Result
21/25
Criteria A: Integration of a Key Concept
4/5
0
3
5
Criteria StrandsPro
A.1Understanding and integration of key concept
Excellent
A.2Connection to organization
Excellent
Criteria Feedback
The student defines the key concept clearly before using it, which helps keep the report analytical rather than descriptive.
The student connects the concept strongly to Duolingo’s mascot-led TikTok strategy and brand personality.
The student repeatedly returns to the organization itself rather than using it only as a generic example.
The student's discussion shows clear awareness of how creative branding choices can shape audience response.
Some parts of the discussion move from the concept into general marketing description without fully showing the causal link.
A few sections, especially around price and product, do not integrate the concept as consistently as the strongest sections.
The analysis would be stronger if the student showed more precisely how creative choices produced specific business outcomes.
1.1·Strength
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The student gives a clear definition of creativity before applying it to Duolingo. This helps the key concept stay analytical rather than decorative, and it gives the report a conceptual lens that can be reused in later sections.
1.2·Strength
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Strong integration of the key concept here: the student links creativity directly to a concrete branding choice, the mascot-led TikTok strategy. This works well because it shows how creativity is operating as a business decision, not just a descriptive label.
1.3·Strength
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The student makes a focused creativity claim and then explains the mechanism through audience emotion and risk. That is effective because it begins to show cause-and-effect, which is exactly what stronger integration of a key concept requires.
1.4·Weakness
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This section starts to drift away from creativity as a concept and instead focuses on cost. The student should explain more precisely how creativity changes the value of the marketing, rather than implying that low spending by itself proves creative effectiveness.
1.5·Suggestion
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The student could strengthen this section by showing exactly which creative social-media features connect to which product features. For example, linking mascot humor or viral identity to specific in-app behaviors would make the creativity analysis more precise.
1.6·Question
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What evidence in the report shows that creativity itself caused the MAU increase, rather than simply moving alongside broader brand growth? Reflecting on that distinction would help the student tighten the logic of the key concept analysis.
Criteria B: Supporting Documents
3/4
0
2
4
Criteria StrandsPro
B.1Number of documents
Excellent
B.2Relevance and depth
Good
Criteria Feedback
The student includes five supporting documents, which gives the investigation a solid evidence base.
The student's sources combine official company material, platform data, campaign evidence, and an interview source, creating useful variety.
The documents are relevant to virality, engagement, user growth, and campaign performance.
The student makes a genuine effort to explain how the documents support the investigation.
One of the documents is presented more as citation information than as a deeply used evidence source.
Some third-party marketing analyses are useful but less robust than direct primary evidence.
The set would be stronger if the student used the most relevant documents more explicitly to support specific claims in the body.
2.1·Strength
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The student includes five supporting documents and explains the role of each one in the methodology. This is strong because the sources combine official financial data, platform metrics, and campaign evidence, which gives the investigation both breadth and variety.
2.2·Strength
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Including an interview source adds depth because it helps explain the thinking behind the strategy, not only the outcomes. That makes the supporting documents more useful than a purely metrics-based source set would be.
2.3·Strength
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This is a strong choice of evidence because official company data is more reliable than generic commentary when the student is trying to track user growth. It supports the investigation with data that can be used analytically rather than just descriptively.
2.4·Weakness
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The student should be careful not to treat an interview summary as equivalent to substantiated company data. To improve relevance and depth, they should quote or extract the specific claim from the interview and explain how it supports the research question.
2.5·Weakness
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This is relevant, but it is still a third-party marketing analysis rather than an independent primary source. The student should acknowledge that limitation more explicitly when using it to support claims about Duolingo's strategy.
2.6·Suggestion
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The student could strengthen source depth by using this case as a concrete example of spillover reach from the campaign. Connecting it to measurable engagement or mention data would make the supporting evidence more persuasive.
Criteria C: Selection and Application of Tools and Theories
3/4
0
2
4
Criteria StrandsPro
C.1Selection of tools and theories
Good
C.2Application and relevance
Good
Criteria Feedback
The student chooses a familiar business framework and applies it in a clear, organized way.
The student adds regression analysis, which gives the report a quantitative dimension beyond descriptive marketing discussion.
The student shows awareness of model outputs such as fit and trend behavior, which demonstrates active use of the tool rather than simple mention.
The student's methodology section helps the reader understand why these tools were selected.
Some applications are only partly aligned with the research question, especially where broad business data is used as a proxy for the social-media strategy.
The product and price discussion sometimes fits information into the framework without showing a strong tool-to-question link.
The regression analysis is useful, but it cannot by itself show causation, so its interpretive power is limited.
3.1·Strength
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Adding regression alongside the 4Ps gives the investigation a quantitative dimension. That is a strong methodological choice because it moves the analysis beyond description and allows the student to examine patterns in user growth.
3.2·Strength
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The student selects a recognisable business tool and applies it to the research question in an organised way. This is effective because the framework gives the report a clear analytical structure for discussing promotion, price, product, and place.
3.3·Weakness
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The student’s application of the Price section is not fully convincing because total sales and marketing expenditure is not the same thing as the cost of the TikTok strategy. To improve relevance, they should justify this proxy or use a more direct measure of social-media spend.
3.4·Weakness
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The Product analysis is only partly tied to the tool because it mainly restates that Duolingo is engaging, rather than showing how the product itself was shaped by the social-media strategy. The student should explain the link between a specific product feature and a specific creative marketing outcome.
3.5·Strength
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The student uses a clear fitted model and reports the coefficient of determination, which shows good handling of the quantitative tool. This works well because it signals that the student is trying to judge the strength of the relationship rather than simply plotting a trend line.
3.6·Question
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How does this model separate the effect of TikTok growth from other time-based drivers of MAU growth, such as product updates or expansion? Thinking about confounding variables would make the tool application more convincing.
3.7·Suggestion
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The student should consider adding a brief explanation of why an exponential model was chosen over another fit. That would make the regression feel selected for the data rather than imposed on it.
Criteria D: Analysis and Evaluation
5/5
0
3
5
Criteria StrandsPro
D.1Data selection and use
Excellent
D.2Analysis quality
Good
Criteria Feedback
The student uses a range of quantitative and qualitative evidence to support their claims.
The student makes some thoughtful comparisons, especially between short-term virality and sustained visibility.
The student tries to connect campaign activity to business outcomes rather than stopping at engagement metrics.
The student's analysis shows real engagement with the idea that multiple factors may affect growth.
Some numerical interpretation is inaccurate, which weakens confidence in the analysis.
The student sometimes treats correlation as if it proves causation.
The evaluation would be stronger if the student compared more alternative explanations for growth and uncertainty.
4.1·Strength
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The student uses quantitative evidence well here to support an evaluative claim about performance. This is effective because the numbers are not just stated; they are tied to the argument that creative content translated into measurable engagement.
4.2·Strength
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This is a strong analytical comparison because it contrasts sustained visibility with a short-term virality spike. That distinction helps the student evaluate the campaign more critically instead of simply celebrating the high numbers.
4.3·Strength
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The student attempts to link campaign activity to a business outcome, which is a good analytical move. This matters because it shows an effort to go beyond attention metrics and examine whether virality had a wider organisational effect.
4.4·Weakness
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The increase is miscalculated in the explanation: 50.5M−46.6M=3.9M, not 6 million. The student should correct the arithmetic and then interpret the change more carefully, since precision matters when using numbers to support evaluation.
4.5·Weakness
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The student treats correlation as if it proves a causal relationship. To improve analysis quality, they should explicitly explain that the graph shows association only and then evaluate other possible explanations for the parallel growth trends.
4.6·Suggestion
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This is a useful evaluative caveat, and the student could make it even stronger by explaining how much this controversy might affect the forecast direction or reliability. A short comparison with prior growth trends would sharpen the evaluation.
Criteria E: Conclusions
2/3
0
2
3
Criteria StrandsPro
E.1Consistency with evidence
Good
E.2Answer to research question
Excellent
Criteria Feedback
The student answers the research question directly and clearly.
The student's conclusion reflects the main themes developed in the body of the report.
The student summarizes the central argument in a way that is easy to follow.
The final judgement is more certain than the evidence fully supports.
The conclusion would be stronger if it separated well-supported findings from more tentative claims.
It does not enough distinguish between correlation and causation in the final claim about user growth.
5.1·Weakness
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The final judgement is stronger than the evidence allows because it implies direct causation from the regression. The student should qualify this by distinguishing between growth occurring alongside the strategy and growth caused by the strategy.
5.2·Strength
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The student does a good job of summarising a specific line of evidence from the body of the report. This works because the conclusion is not generic; it reflects the actual analytical arguments made earlier.
5.3·Suggestion
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The conclusion could be improved by adding one sentence that separates what is well supported, such as virality, from what remains more uncertain, such as user growth causation. That would make the final answer more balanced and credible.
5.4·Strength
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The conclusion clearly addresses the research question and stays aligned with the main theme of creativity. That directness is a strength because it leaves the reader with an unambiguous answer.
5.5·Strength
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This shows that the student attempts to answer the question in a nuanced way by linking social media attention to app growth. That is a strong closing move because it connects the different parts of the investigation into one judgement.
Criteria F: Structure
2/2
0
1
2
Criteria StrandsPro
F.1Organization and structure
Excellent
Criteria Feedback
The student's report follows a clear overall structure with introduction, methodology, analysis, conclusion, and source sections.
The use of headings and a table of contents makes the report easy to navigate.
Separating the quantitative analysis into its own section improves coherence.
Some subsections are much shorter and less developed than others, which weakens balance.
The flow from data description to interpretation could be made more explicit in places.
The conclusion could mirror the order of the body more closely to improve the sense of closure.
6.1·Strength
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The student separates the quantitative analysis into its own section, which improves coherence. This works well because it prevents the regression from being lost inside the marketing discussion and gives the report a clearer analytical progression.
6.2·Strength
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The student follows a conventional report structure with clear section headings, which makes the argument easy to navigate. This is a useful strength because it helps the reader track the progression from introduction to methods, analysis, and conclusion.
6.3·Strength
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Including a dedicated methodology section strengthens the overall organisation because the reader can see how the evidence and tools were chosen before the analysis begins. That supports transparency and makes the later claims easier to follow.
6.4·Weakness
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The 4Ps structure is clear, but it does not always produce a balanced line of argument. Some subsections, especially Price and Product, are much shorter and less developed, so the student should consider giving each P comparable analytical weight.
6.5·Weakness
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The structure of the forecast section is logical, but the explanation would benefit from a clearer transition from trend description to interpretation. The student should signal why the forecast matters for the research question before moving into the model output.
6.6·Suggestion
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The report would read even more smoothly if the conclusion briefly mirrored the order of the body sections. That would help the reader see how each analytical tool contributed to the final answer.
Criteria G: Presentation
2/2
0
1
2
Criteria StrandsPro
G.1Required elements
Excellent
Criteria Feedback
The student includes the required presentation elements, including the research question, key concept, word count, and conclusion.
The student's sources and supporting documents are labeled and easy to trace.
The report stays within the word limit and looks professionally assembled overall.
The reference presentation could be more consistent in format.
Some bibliography details would be easier to read if they followed one clear style throughout.
A few minor wording and spelling issues reduce polish slightly.
7.1·Strength
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The research question is clear, focused, and evaluative. This is a strong presentation choice because it gives the whole report a precise line of inquiry and signals that the student is aiming to assess extent rather than simply describe the company.
7.2·Strength
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The report includes the required key concept and stays within the word limit, which shows good attention to the assignment requirements. Meeting those essentials helps the academic content stand on a clear formal base.
7.3·Strength
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The student includes a dedicated works-cited section and supporting-document list, which makes the source base easy to audit. That improves credibility because the reader can distinguish between main sources and supplementary evidence.
7.4·Suggestion
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The presentation of the references would be easier to follow if each entry began on a new line and followed one consistent format. That would improve readability and make the bibliography look more polished without changing the content.
7.5·Weakness
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The source list would be stronger if all references were presented consistently under one citation style. The student should make the distinction between supporting documents and other references clearer so that the evidence base is easier to evaluate.
7.6·Strength
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The supporting documents are clearly titled and separated, which is helpful for navigation and reference checking. This makes it much easier for the reader to trace evidence back to specific documents.