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Taking a Critical Approach/Critical Appraisal

What is critical writing?

Critical Writing is the expression of critical thinking in written form. It’s about presenting your analysis, evaluations, synthesis, and arguments clearly, logically, and with evidence to support your claims. It goes beyond simply describing or summarizing content; instead, it focuses on assessing the validity of evidence, exploring strengths and weaknesses, and presenting an argument supported by evidence.

Making an argument

In academic writing, a core component of most assignments, including essays and dissertations, is the ability to present and justify an argument using well-reasoned points and supporting evidence. This process shows your critical thinking as it involves reaching a conclusion and defending a position on a topic. At the heart of this is the thesis statement, the main claim you intend to prove. A compelling argument requires a clear thesis, usually introduced early in the text, and must be substantiated with relevant sources such as academic literature, research data, and logical reasoning. It's also important to acknowledge opposing viewpoints. Additionally, the language you use should strike a balance: assertive and confident when the evidence is strong, yet measured and cautious when addressing areas of uncertainty or limitation.

Below are the key elements of a strong argumentation: 

1. Thesis statement (your main point): This is your thesis or central argument. It should be clear, debatable, and nuanced.

2. Evidence (support): Use facts, examples, quotes, statistics, whatever strengthens your claim. The quality and relevance of evidence matters more than quantity. 

3. Reasoning (link between claim and evidence): Explain why the evidence supports the claim. Use logic to connect the dots.

4. Counterargument (opposing views): Acknowledge other perspectives. Refute them with sound reasoning or show why your stance is more valid.

5. Conclusion (so what?): Tie it all together; Emphasize the significance of your argument and its broader implications.

Different voices in writing

In academic writing, different types of “voice” help show whose ideas are being shared and how. Understanding these four key voices allows you to balance your own analysis with information from other sources. Each voice plays a different role in building a strong, well-supported academic argument. When used thoughtfully, they help you blend your own insights with the broader scholarly conversation.

Key steps in critical writing

Key steps in critical writing include:

1. Thesis statement: Make sure you have a thesis statement that is specific, debatable, and nuanced. It should not simply state a fact but present a position that requires defence and analysis.

2. Developing arguments: Choose the most relevant and persuasive sub thesis - reasons/key points/themes - that align with your main or central thesis statement. Organise them in a way that builds progressively toward your conclusion.

3. Use evidence to support your argument and evaluate them: Evaluate the strength and relevance of the evidence you present. Instead of just summarizing studies, examine the strengths and limitations of the research, models, or frameworks.

4. Engage with multiple perspectives: Make sure you engage with the primary source material and various perspectives on the topic, examining alternative viewpoints, theories, and criticisms to form a more well-rounded argument.

5. Engage with counterarguments: If there are counterarguments, you can refute them with evidence or acknowledge their validity while explaining why your stance remains strong.

6. Synthesizing ideas from resources: Synthesize information from multiple sources to strengthen your thesis. Group similar ideas, contrast perspectives, or trends. Draw conclusions based on combined insights.

7. Using the “Why?” or “so what” Framework: Ask yourself “Why?” at every stage of your writing. Why is this important? Why does this theory hold? Why is the argument valid or invalid? This ensures you maintain critical stance.

8. Critical reflection on methodology: Evaluate your chosen methods and their limitations. For example, qualitative methods may introduce bias through subjective interpretation, while surveys might face constraints like sample size or design biases.

Critical writing checklist questions

Writing critically is a skill which can take time to develop. The questions in this checklist will help you develop this skill. Bear in mind that not all the questions in the checklist will be appropriate to your specific piece of writing or topic area. For example, the way in which you demonstrate critical appraisal in your writing may vary according to:

  • The type of writing you are being asked to do
    • e.g. an essay, a report, a review of an article or a book chapter, a project or a dissertation, a blog or a webpage.
  • The discipline and topic area
1. Am I being clear about my position or view on a topic? Have I identified key points to make or argue? Have I explained the reasons for my views?

"Perkins (2007) urges teachers to focus on student difficulties relating to subject content, which he suggests they can directly influence. I would argue that other factors need to be taken into account when trying to understand the challenges faced by students. For example, if students struggle to access study resources, this can act as a barrier to learning and achievement."

In this example, the student is using the first person ‘I’ to present their own opinion. Always check whether the use of the first person is acceptable in your own discipline. In this example ‘I would argue that…’ could be replaced with ‘It could be argued that…’.

2. Have I considered and evaluated different viewpoints and perspectives on the topic?

"The empirical evidence for threshold concepts has now grown to include research in 259 disciplines in over 45 countries (Flanagan, 2016; Land et al., 2016). However, it is not without its critics. Schwartzman (2010, p. 40) argues there is no agreement on an ‘intellectually rigorous, definitive criteria for identifying threshold concepts'. This can therefore make it difficult to identify threshold concepts within disciplines. Savin-Baden (2008) also warns again using threshold concepts too prescriptively, which might create a situation where students only feel part of their discipline once they have understood the concepts. However, threshold concepts can provide a framework for exploring challenging content within a discipline. This research can therefore contribute to an understanding of how to support students with such difficulties." 

In this example, the student presents some evidence from their reading to support the use of threshold concepts in education. However, they also point out that there are different viewpoints which highlight challenges with the use of threshold concepts. It is important to evaluate the viewpoints by discussing potential strengths and weaknesses. It is also important to draw some conclusions from your evaluation. In the last two sentences, the student does this by suggesting a possible approach to take with the use of threshold concepts. See example two in comparing descriptive and critical writing for another illustration of how to evaluate different perspectives.

3. Have I used relevant evidence from my reading (e.g. theories, research studies, policy documents) to support my key points?

"Learning is often described as ‘identity work’ (Cousin, 2006, p. 264; Davies, 2006, p. 71; Savin-Baden, 2008, p. 16), since it results in a change in the individual."

In this example, the student has used three sources to support the point they are making. This won’t always be the case, but if you have more than one source, use them, as this can create a stronger sense of consensus on a particular issue.

4. Have I explained things in enough detail? Have I made sure that I address why things might be happening and what this means for my assignment or research question?

"Hosein and Rao (2017) explain that the students in their study were given limited guidance on the development of their research idea and the methods they used. They state that this was so that in their essays the students reflected on their own decision-making process rather than on ideas put forward by the teachers. Prior to the study a short questionnaire could have been used to determine what knowledge and experience students had of research processes and of being reflective. Both these elements would have affected the content of their essays. This highlights the need to take account of participants’ prior experience when making judgements about research outcomes."

In this example, the student highlights an aspect of the research process (the amount of guidance given by the lecturers) which might have influenced the study results. They explain why this is important and how students’ previous knowledge and experience needs to be taken into account when conducting any further research. They also make a suggestion for how students’ prior knowledge and experience could be assessed in a future study.

5. If I am discussing a research study (or my own research), have I considered any strengths or limitations with the methodology and the possible impact of this on the findings? Have I suggested any potential changes to the research design?​​​​​

"There are potential weaknesses with the research design. Of the 16 participants, 10 came from the upper grade bands. This might have resulted in better quality essays which would have impacted on the data analysis and results. Students from the lower grade bands might have been encouraged to take part if different methods were used. For example using a formative rather than a summative essay or giving them further information about how the essays would be used, confidentiality and the benefits of taking part in the study."

In this example, the student begins by identifying a limitation or weakness with the research study. They then go on to say how this might have affected the study results. The final two sentences suggest how the research design could be changed in the future to address the limitation. 

6. If appropriate, alongside other evidence, have I used examples from my own practice to support the points made? This is useful for reflective writing.​​​​​​​​​​​​​​​​​​

"Taking a critical approach is a good example of a skill area which students can find challenging. My experience of working with students in Higher Education (HE) suggests that although a student may have a critical viewpoint, they may not feel able to express it. As Carr and Kemmis (1986) point out, there are a range of social and personal factors which can influence how individuals act in a particular context. For example…"

In this example, the student uses an example from their own experience to help explain the point being made. Using the first person ‘my’ makes it clear that the comment is from their own experience or practice. If you are being asked to include aspects of this kind in your assignment, always check with your lecturer on the best way to present this in your writing. The student then supports their example with a comment from Carr and Kemmis, which adds strength to the point they are making. It would be helpful if the student then developed the discussion by explaining which social and personal factors impact on students and why this might happen. 

7. Have I identified and discussed any assumptions which might need to be challenged, both within the evidence I am using and in my own explanations?​​​​​​​​​​​​​​​​

"Perkins (2007, p. 44) suggests that even good teaching leaves students with a number of ‘trouble spots’. This analysis appears to assume that the removal of challenges by teachers is always desirable. It could be argued that challenges are part of learning and that the teacher’s role is to support students through that process."

In this example, the student suggests that the author (Perkins) is making an assumption that the challenges students face in their learning are a negative issue. They also suggest why this might not be the case. When making suggestions about assumptions that an author might be making, it can be helpful to use cautious language. For example, the student uses phrases such as ‘appears to assume’ and ‘it could be argued’. 

8. Geographical, historical, political, social and cultural issues can influence research. Have I considered different contexts and how they might affect viewpoints and research outcomes?​​​​​​​​​​​​​​​

"The study (Canter, 2016) was undertaken with students in higher education (HE). It is important to note that in a different context, such as a school setting, students would be at a different level in their learning of the subject matter. Teachers would therefore need to adapt the strategies suggested in the study to meet the needs of their own students. For example…"

In this example, the student’s assignment was about learning in a school setting. It is important to point out how a different context might affect the results of a research study. The student suggests what might need to be adapted with the findings from the HE study so that they can be applied in a different context such as in a school. It would be helpful if the student then gave an example of how teachers could make those adaptations.

9. Have I discussed the possible impact of research findings and my conclusions e.g. on groups of people, future research, the environment, etc.?

"If as Canter (2016) suggests, study skills guidance is a strategy for supporting students as they progress through Higher Education (HE), this will have a potential impact on the resource requirements and training of staff in that sector. For example, this could mean investment is needed in specialist study skills advisers and additional training for academic staff."

In this example, the student highlights the fact that the study findings would have a specific impact on the need for resources, such as staff and training. When identifying the impact of ideas or research findings, make sure the comments are relevant to your assignment question and argument. 

10. Have I suggested possible changes, or made recommendations for specific areas of future research?​​​​​

"The study (Canter, 2016) followed students through one academic year and revealed the importance of time in influencing how their experiences developed and changed. Further research could follow students through all three years of their degree to understand their experience and skill requirements over a longer time-scale. This would also provide more information about the resources needed to support students during their time in higher education."

In this example, the student is making a suggestion about what further research could be useful. It is important to be as specific as you can about the nature of the research needed. The student also explains why the future research might be useful, in that it would provide more information about resources needed. When you explain why future research is important, think about how the research would further the understanding of your assignment topic or research question.

Descriptive and critical writing

What are the differences between descriptive and critical writing? Most assignments will require both descriptive writing and critical writing. Click through and turn the flashcards below see a comparison of the differences between descriptive writing and critical writing.

Check out the following content which is adapted with permission from Cottrell, S. (2003) The Study Skills Handbook, 2nd Edition, Palgrave Macmillan, p. 232.

When you are writing an essay it is likely that the introduction will include more descriptive writing. This is because it is often describing background information, defining key terms and explaining how your essay will be structured. However, the paragraphs in the main body of an essay and your conclusions will contain more critical writing.

When you are writing a scientific report, the introduction can sometimes contain a review of the literature. This means that both descriptive and critical writing will be used. For example, a literature review will describe the findings from previous studies, but it will also identify potential gaps in the research and create a rationale for the current report. These latter elements involve a more critical style of writing. The methods and results sections of reports might contain more descriptive writing, but the discussion section and the conclusion will contain more critical writing.

Descriptive Writing

Critical Writing

Reports events or what happened.

Evaluates the significance of events or actions.

Hypothesizes why something happened.

Critically examines and justifies the reasoning behind hypotheses.

Outlines the characteristics of something.

Assesses the strengths and weaknesses of the subject.

States evidence.

Develops arguments supported by evidence.

Explains a theory or concept.

Analyses the relevance or applicability of the theory.

Describes an experimental method.

Justifies the selection of one method over others.

Quotes, summarizes, or paraphrases others' ideas.

Compares and contrasts viewpoints from different writers.

Provides examples of items or ideas.

Differentiates between items, often using examples to clarify distinctions.

Lists findings from an experiment.

Distinguishes between important and less significant findings.

Presents details.

Evaluates the significance and implications of details.

Lists information.

Organizes information by importance or relevance.

Provides options.

Critiques options to select the best one.

Critical writing example

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