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Yes, We Can Define, Teach, and Assess Critical Thinking Skills

By Contributing Blogger — November 27, 2017 6 min read
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By Jeff Heyck-Williams, Director of Curriculum and Instruction at Two Rivers Public Charter School

While the idea of teaching critical thinking has been bandied around in education circles since at least the time of John Dewey, it has taken greater prominence in the education debates with the advent of the term “21st century skills” and discussions of deeper learning. There is increasing agreement among education reformers that critical thinking is an essential ingredient for long-term success for all of our students.

However, there are still those in the education establishment and in the media who argue that critical thinking isn’t really a thing, or that these skills aren’t well defined and, even if they could be defined, they can’t be taught or assessed.

To those naysayers, I have to disagree. Critical thinking is a thing. We can define it; we can teach it; and we can assess it. In fact, as part of a multi-year Assessment for Learning Project, Two Rivers Public Charter School in Washington, DC, has done just that.

Before I dive into what we have done, I want to acknowledge that some of the criticism has merit.

First, there are those that argue that critical thinking can only exist when students have a vast fund of knowledge. Meaning that a student cannot think critically if they don’t have something substantive about which to think. I agree. Students do need a robust foundation of core content knowledge to effectively think critically. Schools still have a responsibility for building students’ content knowledge.

However, I would argue that students don’t need to wait to think critically until after they have mastered some arbitrary amount of knowledge. They can start building critical thinking skills when they walk in the door. All students come to school with experience and knowledge which they can immediately think critically about. In fact, some of the thinking that they learn to do helps augment and solidify the discipline-specific academic knowledge that they are learning.

The second criticism is that critical thinking skills are always highly contextual. In this argument, the critics make the point that the types of thinking that students do in history is categorically different from the types of thinking students do in science or math. Thus, the idea of teaching broadly defined, content-neutral critical thinking skills is impossible. I agree that there are domain-specific thinking skills that students should learn in each discipline. However, I also believe that there are several generalizable skills that elementary school students can learn that have broad applicability to their academic and social lives. That is what we have done at Two Rivers.

Defining Critical Thinking Skills

We began this work by first defining what we mean by critical thinking. After a review of the literature and looking at the practice at other schools, we identified five constructs that encompass a set of broadly applicable skills: schema development and activation; effective reasoning; creativity and innovation; problem solving; and decision making.

We then created rubrics to provide a concrete vision of what each of these constructs look like in practice. Working with the Stanford Center for Assessment, Learning and Equity (SCALE), we refined these rubrics to capture clear and discrete skills.

For example, we defined effective reasoning as the skill of creating an evidence-based claim: students need to construct a claim, identify relevant support, link their support to their claim, and identify possible questions or counter claims. Rubrics provide an explicit vision of the skill of effective reasoning for students and teachers. By breaking the rubrics down for different grade bands, we have been able not only to describe what reasoning is but also to delineate how the skills develop in students from preschool through 8th grade.

Before moving on, I want to freely acknowledge that in narrowly defining reasoning as the construction of evidence-based claims we have disregarded some elements of reasoning that students can and should learn. For example, the difference between constructing claims through deductive versus inductive means is not highlighted in our definition. However, by privileging a definition that has broad applicability across disciplines, we are able to gain traction in developing the roots of critical thinking. In this case, to formulate well-supported claims or arguments.

Teaching Critical Thinking Skills

The definitions of critical thinking constructs were only useful to us in as much as they translated into practical skills that teachers could teach and students could learn and use. Consequently, we have found that to teach a set of cognitive skills, we needed thinking routines that defined the regular application of these critical thinking and problem-solving skills across domains. Building on Harvard’s Project Zero Visible Thinking work, we have named routines aligned with each of our constructs.

For example, with the construct of effective reasoning, we aligned the Claim-Support-Question thinking routine to our rubric. Teachers then were able to teach students that whenever they were making an argument, the norm in the class was to use the routine in constructing their claim and support. The flexibility of the routine has allowed us to apply it from preschool through 8th grade and across disciplines from science to economics and from math to literacy.

Kathryn Mancino, a 5th grade teacher at Two Rivers, has deliberately taught three of our thinking routines to students using the anchor charts above (click to view a larger size of each image). Her charts name the components of each routine and has a place for students to record when they’ve used it and what they have figured out about the routine. By using this structure with a chart that can be added to throughout the year, students see the routines as broadly applicable across disciplines and are able to refine their application over time.

Assessing Critical Thinking Skills

By defining specific constructs of critical thinking and building thinking routines that support their implementation in classrooms, we have operated under the assumption that students are developing skills that they will be able to transfer to other settings. However, we recognized both the importance and the challenge of gathering reliable data to confirm this.

With this in mind, we have developed a series of short performance tasks around novel discipline-neutral contexts in which students can apply the constructs of thinking. Through these tasks, we have been able to provide an opportunity for students to demonstrate their ability to transfer the types of thinking beyond the original classroom setting. Once again, we have worked with SCALE to define tasks where students easily access the content but where the cognitive lift requires them to demonstrate their thinking abilities.

These assessments demonstrate that it is possible to capture meaningful data on students’ critical thinking abilities. They are not intended to be high stakes accountability measures. Instead, they are designed to give students, teachers, and school leaders discrete formative data on hard to measure skills.

While it is clearly difficult, and we have not solved all of the challenges to scaling assessments of critical thinking, we can define, teach, and assess these skills. In fact, knowing how important they are for the economy of the future and our democracy, it is essential that we do.

The opinions expressed in Next Gen Learning in Action are strictly those of the author(s) and do not reflect the opinions or endorsement of Editorial Projects in Education, or any of its publications.


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