Skip to main content

Desirable Difficulties in Legal Research Instruction

Challenges that result in stronger long-term learning are known as "desirable difficulties." Studies in how the brain works provide solid evidence that struggles in learning can actually be beneficial to the learner.

So how does the brain work? Make It Stick: The Science of Successful Learning by Peter C. Brown et al., gives a concise version, explaining that first the brain undergoes encoding to create memory traces, "converting sensory perceptions into meaningful representations in the brain."[1] Next comes consolidation, during which the brain has to solidify these not fully-formed memory traces; this involves "deep processing of the new materials, during which scientists believe the brain replays or rehearses the learning, giving it meaning, filling in blank spots, and making connections to past experiences," which helps learners to organize and strengthen their learning.[2] 

When you allow space out your learning, as opposed to practicing something you just learned immediately and repeatedly, your learning is strengthened because retrieval is more challenging.[3]  Basically, when you practice recalling a new skill or topic immediately after being introduced to it, it is easier to recall and consolidation isn't as deep. When you letting learning recede a little bit, learning is harder to recall, but learning is deeper.

Let's apply this to legal research instruction. In many instances, we introduce one type of source to our students, for example, statutes. They learn all the ways to retrieve statutes (table of contents, index, etc.) and they immediately get practice finding statutes both in-class and as homework. They may even feel good (and you as the instructor may feel equally good) because they seem to have grasped it so quickly.

After a day or a few days of statutes, however, we move on to the next type of source and focus solely on it, moving entirely away from statutes. The students will eventually get another chance to practice locating a statute, but it may not come until several weeks later when they are doing an open memo problem. Their learning recedes too far.  Because their practice was rapid and close to the time they were initially introduced to the material, their consolidation wasn't as deep and many of them struggle when asked to perform their skills in the context of a larger problem.

Consolidation would be stronger if throughout the semester, opportunities to research a statute were sprinkled into the curriculum--even as a beginning of class warm-up or by finding a statute in conjunction with whatever new source students are learning to help build those connections. Because law students are learning so much at once, their cognitive loads are full, so after even a week away from a type of source, it is helpful to give them a problem or two to help them continue to consolidate their learning.


[1]  Peter C. Brown et al., Make It Stick: The Science of Successful Learning 72 (2014). 

[2]  Id. at 73-74.

[3]  Id. at 74-75. 


Popular posts from this blog

Why Experts Can Struggle to Teach Novices

This week in our Slack group on teaching , there was an interesting discussion about expertise and the amount of time needed to prep for instruction. I mentioned something that I recalled reading: that experts can be less effective in teaching novices because often the expert skips cognitive steps that the novice learner needs to understand.  I thought I'd dig into this a little more today on the blog. The fact is novices and experts learn very differently.  The major reason for this is that experts not only know a lot about their chosen discipline, but they understand how that discipline is organized. As such, what has a clear structure to the expert is a jumbled set of unorganized information to the novice.  The information presented to novices "are more or less random data points."[1]  In contrast, when the expert learns something new in her area of expertise, she just plugs it into the knowledge structure that already exists in her long-term memory. Because the new

Motivation in the Legal Research Classroom

Motivating students in the legal research classroom can be a challenge. As we know, there are many false narratives surrounding students' conceptions of legal research's importance, interest level, and ease, all of which can result in a decrease in students' motivation to engage in this subject matter. There are two types of motivation--intrinsic and extrinsic.  Extrinsic motivation occurs when students are motivated by an outside reward or punishment;[1] in instruction, this is often the grades students will get on research assignments or the participation points they might receive for actively engaging with in-class exercises.  Intrinsic motivation , on the other hand, occurs when students are interested in the topic for its own sake.[2] Due to legal research's false narratives, students entering our classrooms tend to be drive primarily by extrinsic motivation.  The problem is, as Julie Dirksen aptly notes in her excellent book Design for How People Learn , &qu

Helping With Student Focus & Motivation in the Remote Classroom, Part 3: Limiting New Technologies to Reduce Extrinsic Cognitive Load

A librarian colleague used to say to me, "Technology is great until it's not." This couldn't be more true in the classroom.  As many of us prepare for a fall entirely or partially online, there's a rush to familiarize ourselves with lots of new educational technology to teach our classes. There's this sense that if you're not using the best and newest ed tech in your class, you're doing something wrong. Fortunately, the science doesn't back this up.  Using too many different types of technology can be a contributing factor to cognitive overload in students . Cognitive load is a term cognitive psychologists use to describe the mental challenge that the limitations of working memory puts on a student's learning.[1] Basically, working memory is extremely limited in both time and duration. Humans can only hold on to between four and nine "chunks" of information at any given time,[2] and can only hold on to new information in their worki

Rethinking Formative Assessment

We've seen an increased significance placed on formative assessment in the legal academy. Standard 314 of the ABA Standards requires that law schools use both formative and summative assessment methods in their curriculum. Its rational for doing so is "to measure and improve student learning and provide meaningful feedback to students." The ABA defines formative assessment methods as "measurements at different points during a particular course or at different points over the span of a student's education that provide meaningful feedback to improve student learning." Those of us in the legal research instruction business are no strangers to formative assessment. We are leaders in this in the law school curriculum, with rarely a class going by in which students do not practice their skills. Lately, though, I've been wondering whether I'm going about formative assessment in the way that will best provide meaningful feedback to students. In the mandato

Reflection in the Legal Research Classroom

Reflection is a critical component of experiential learning.  We see in ABA Standard 303 that experiential courses must include multiple opportunities for self-evaluation.  Self-evaluation is critically important to legal research.  Students must reflect on and assess their research methodology each time they research to continue becoming more efficient legal researchers and to determine what research strategies work best in which situations. [1] Reflection relates to several ideas found in cognitive theory that have been shown to result in stronger learning and retention: Retrieval : recalling recently-learned information;  Elaboration : finding a nexis between what you know and what you are learning; and  Generation : putting concepts into your own words and/or contemplating what you might do differently next time. I've been contemplating how to better incorporate reflection into legal research classes. At the beginning of this semester, at the recommendation of a works