Lowering the Affective Filter: What Families Can Do at Home
Introduction
Hello and welcome! I am a mother of two young children and have more than 13 years of experience in education, with much of my work centered around language learning, Spanish immersion, curriculum, and instruction. I have worked in Spanish immersion settings for eight years, and I also spent seven years teaching high school Spanish. I grew up speaking English and Spanish at home as a simultaneous bilingual and attended a Spanish immersion school from PK3 through sixth grade.
I am passionate about learning, language, culture, and how we communicate with one another.
Across the schools where I have worked, I have had a lot of conversations with families about how language acquisition actually works and what they should expect from an immersion program. This post originally grew out of one of those conversations.
At the time, I was working as an instructional coach and curriculum coordinator for a Spanish immersion program in DC. A parent was very open with me about concerns regarding their child's learning, what would happen as their child progressed through school, and the helplessness they sometimes felt when trying to support learning in a language they did not speak fluently themselves.
We talked through some of those concerns, and I left wanting to put together a simple resource that explained a little more about language acquisition, what immersion programs are trying to accomplish, and what families can do at home even when they do not speak the language their child is learning.
My goal in this post is to address three things:
Better understand one part of the language acquisition process.
Explain some of the ways immersion classrooms can support language acquisition and academic learning through another language.
Share practical things families can do at home to support that process.
Today, I am focusing on one of my favorite ideas in language learning: the affective filter.
The Affective Filter and Language Learning
In his work on second-language acquisition, Stephen Krashen proposed what he called the Affective Filter Hypothesis. In Principles and Practice in Second Language Acquisition (1982), he argued that emotional variables such as anxiety, confidence, and motivation can influence how available language input becomes for acquisition.
I want to be clear about the word hypothesis here. The affective filter is a theoretical construct. It is not a literal barrier in the brain that researchers can measure opening and closing.
I still find it an incredibly useful metaphor.
I picture it as the difference between being open enough to engage with something unfamiliar and being so anxious, uncomfortable, embarrassed, or defensive that a lot of your attention is going toward managing those feelings instead.
And although the “filter” itself is a theory, there is substantial research on language anxiety. Two large 2019 meta-analyses found a moderate negative relationship between second- or foreign-language anxiety and language achievement or performance. A 2020 meta-analysis looking specifically at foreign-language classroom anxiety found the same general pattern across reading, writing, listening, speaking, and overall achievement. (Teimouri, Goetze, & Plonsky, 2019; Zhang, 2019; Botes, Dewaele, & Greiff, 2020.)
So I do not think of every child as walking around with a measurable little filter in their head. I think of the affective filter as a helpful way of asking a much more practical question:
What is happening emotionally for this learner, and is it making it easier or harder for them to participate, take risks, process language, and keep trying?
The Affective Filter in the Immersion Classroom
Teachers use multiple daily strategies to lower their students' affective filters.
Warm and welcoming inclusive environment.
Feeling like we are seen for who we are, valued, and welcomed in as we are helps us to feel comfortable and safe in that given space. If students are uncomfortable in a space, feel like they are not welcome to bring all their identities and personal aspects, or see that others are not entirely accepted and included, there is a breach of trust. Seeing others with identities different from ours be excluded or limited in their inclusion presents a threat that I may also be judged, excluded, or unwelcome. Teachers must work to help all feel and know that they are welcome. This warm and inclusive environment is best achieved with lots of intention from the adults and clear communication and practices to involve the children in ownership of the process.
Focus on good connections between the teacher and students. Ensure the students know and feel that their teacher holds them in high regard and has high expectations for them and all other students.
Student-to-student relationships matter too. Don't get me wrong, there can and will be disagreements, and not everyone will like each other. That's part of being human. But children should generally be able to trust that disagreement will not turn into humiliation, exclusion, or cruelty. Research outside language learning supports this more broadly too. A meta-analysis of 99 studies found that the quality of teacher-student relationships was meaningfully associated with student engagement and, to a somewhat smaller degree, academic achievement (Roorda et al., 2011).
Create routines and clear expectations.
Most people benefit from knowing what is expected of them and having some sense of what is coming next. For young children especially, predictable routines can reduce uncertainty. They begin to learn: this happens first, then this, I know when I will eat, I know what happens when I need help, and I know what the adults expect from me.
That predictability does not make learning effortless, but it can remove some unnecessary uncertainty so children can put more of their attention toward what they are actually doing.
Create a cooperative and not competitive environment.
Create a cooperative, rather than constantly competitive, environment. Competition is a big theme in US culture, and I am not going to argue that every competition is harmful. Games and challenges can be fun. Some students love them. I am much more cautious about making competition the default structure for learning. One of the writers who has influenced my thinking about this is Alfie Kohn, particularly No Contest: The Case Against Competition. Kohn makes a strong argument against organizing schools around constant winning, losing, ranking, and comparison. I treat that as an important argument that has shaped my practice, not as proof that every competitive activity produces the same outcome for every child. In my classrooms, I have generally preferred structures where students can challenge themselves, work toward a shared goal, or help one another improve without somebody else having to lose. That preference also has support from the broader cooperative-learning literature. A recent second-order meta-analysis synthesizing 15 previous meta-analyses found positive effects of cooperative learning across academic achievement, higher-order thinking, and affective outcomes, although effects varied depending on the particular cooperative-learning approach and context. For me, the bigger question is what happens when students make a mistake. I want the classroom to communicate: you are still learning. Try again. I don't want every error to feel like somebody just moved down a leaderboard.
Culture of motivation and interest.
In this sort of environment, students are interested in growing. They know the edge of internal comfort, even if not verbally expressed, and have had enough positive experiences exploring past their comfort to learn new things. They may disengage, participate less, or have a harder time sustaining the attention and effort the learning requires. They are curious and motivated to continue to grow their learning and comfort zones. When learning is too hard, tedious, easy, frustrating, stressful, pointless, or too far from the student's interests, it is hard for them to sustain the focus and effort necessary in learning. When students have a particularly strong or easily engaged affective filter, they more quickly disengage from the learning or engage in it with their filter up. Thus, they don't internalize learning as effectively, if at all. Teachers must find the balance between making the learning engaging, challenging, and relevant to the students and making it satisfying to help the little ones or those with a stronger affective filter to feel comfortable letting it down and diving into it, investing in the process.
Strategies at Home
Like I said before, I use the affective filter as a metaphor. The larger point is that children learn while having emotions, relationships, worries, interests, insecurities, and varying levels of confidence. We don't need to eliminate every uncomfortable feeling. We can help children learn what to do with those feelings.
Foster attitudes of cooperation and ways to separate wins and losses from the child’s personal value or self worth.
When focusing on a student's achievement, a “win,” focus specifically on what was done well. Avoid exaggerated language that emphasizes comparisons.
“You came in first” describes what happened. “You were the best” starts attaching the outcome to identity and comparison. I try to be specific about what a child did rather than turning one performance into a judgment about who they are.
Focus on ways to encourage cooperation instead of competition “Everyone dressed and made it to the table in less than 10 minutes! We all get the timer!”
Support your child in growing their comfort with being uncomfortable and making mistakes.
To grow it is helpful to focus on learning from mistakes, being self-reflective, and being self-compassionate. Our culture focuses on competition and perfectionism. We must explicitly teach our young ones that mistakes are helpful because they show where we are still learning. We also need to show patience with the process. If we get frustrated at ourselves or speak to ourselves cruelly when we make mistakes, they will see and learn from this as an intolerance for errors and learning.
A child’s tolerance for different or uncomfortable things in various developmental stages has natural ebbs and flows. Meet them where they are, and be consistent in your support for errors. Be compassionate about mistakes and reflective about what went wrong or didn't go as planned so that learning and improvement can result in learning and improvements.
There is a popular idea that boredom automatically produces creativity. The research is much messier than that. A 2024 review found mixed results, with studies showing positive, negative, contradictory, and no relationships between boredom and creativity (Zeißig et al., 2024).
So I wouldn't tell a child, “Be bored because science says it will make you creative.”
I do think there is value in learning that every moment of discomfort or lack of stimulation does not need to be immediately fixed. Sometimes we can sit with that feeling for a little while, decide what we need, and find something meaningful to do.
When helping children grow more comfortable with discomfort, though, we also need to teach that not all discomfort is productive. There is a difference between something being new, frustrating, or difficult and something being unsafe, overwhelming, or genuinely harmful.
Model the desired behaviors/attitudes and outcomes.
Start with reflection on your affective filter; when you hear native speakers of a language you do not speak, what feelings and thoughts do you get? How comfortable/uncomfortable are you when you don't understand everything someone is saying to you due to their tone, volume, accent, mannerism, or language when you need their help? When you are frustrated with something difficult, how do you proceed when you cannot easily or quickly master that skill/task? How do you wish your child to engage in these same situations in their learning environment?
If you are not fluent in the language they are learning, model your efforts to learn a language, and how hard it can be! What do you do to motivate yourself when you get stuck? How do you persevere when it's not fun or engaging?
Model openness to trying new things, not knowing, being wrong, and messing up.
Modeling self-compassion and reflection when making mistakes is a great way to help our children take this approach instead of self-flagellation and perfectionism.
Model doing this yourself. When our children see that we are not perfect, all knowing beings but also human, and that being human means making mistakes and learning from them, they are more open to trying.
Be Honest!
Have a direct conversation about mistakes many times, not just once. Discuss how we learn from them, how and why they might be challenging or unpleasant, and your experience with them.
Also, we can reflect on what went wrong in a situation and learn from it. Many children benefit from being explicitly taught how to reflect this way. They often need to be taught how to reflect with self-compassion and compassion for others, focusing on the solution and growth rather than judgment.
The next step is thinking about ways to support their areas of weakness or focus on improving in the future, instead of getting a repetition of the same results.
Routine exposure to the language and the communities connected to it
Practice regular exposure to the language your child is learning and to cultures and communities where that language is used. This is especially valuable if your family does not naturally encounter the language very often. If a child mostly encounters a language inside school, hearing different accents, interacting with people who use the language in different ways, or entering an unfamiliar cultural environment may simply feel unfamiliar. Regular exposure can help make that language part of the larger world the child recognizes rather than something that only exists during one part of the school day. When you are in those situations together, you can also model what you do when you don't understand something. Ask a question. Look something up. Admit that you are confused. Try again. Laugh at yourself occasionally. Your child gets to see that not understanding everything immediately is survivable.
Practice regular exposure to the target language and cultural things that are authentic. This is especially important if you are not regularly exposed to the culture and language.
Suppose you are not used to hearing a language, speaking with native speakers of that language, or engaging in cultural events with people who natively speak the language. In that case, the language, accents, culture, and ways of being of the people using the language are all foreign and isolated events that your child only engages with in the artificial school environment. This might create anxiety, displeasure, and discomfort with the language, culture, and native speakers. On the flip side, if they are used to hearing and seeing the language and culture as a whole, people with values that are a part of the world they recognize, there is now value and understanding that is likely leading to interest and curiosity.
When in these situations, take advantage of moments to walk your child through your thinking/feelings when you do get frustrated or uncomfortable because you don't understand or something is very different from what you are used to. Then, together, proceed and brainstorm ways to support each other through the discomfort.
TLDR
The affective filter is Krashen's theoretical metaphor, not a literal barrier in the brain.
Krashen proposed that factors such as anxiety, confidence, and motivation influence language acquisition.
Later research on language-learning anxiety has found a consistent negative relationship between anxiety and language achievement and performance.
That does not mean children need to be comfortable all the time.
Teachers can reduce unnecessary anxiety by creating predictable, welcoming classrooms where mistakes, questions, and attempts are normal parts of learning.
Families can help by:
separating performance from personal worth
modeling mistakes and self-compassion
helping children tolerate reasonable frustration and uncertainty
exposing children regularly to the language and communities connected to it
showing them what adults do when we don't know, understand, or get something right the first time
Sources
Sources & Further Reading
Krashen, Stephen D. (1982). Principles and Practice in Second Language Acquisition. Pergamon Press.
The primary source for Krashen's Affective Filter Hypothesis and his broader model of second-language acquisition.
Krashen, Stephen D. (1985). The Input Hypothesis: Issues and Implications. Longman.
Teimouri, Yasser, Julia Goetze, & Luke Plonsky. (2019). “Second Language Anxiety and Achievement: A Meta-Analysis.” Studies in Second Language Acquisition, 41(2), 363–387.
A meta-analysis of 97 reports and nearly 20,000 language learners that found a moderate negative relationship between second-language anxiety and achievement.
Zhang, Xian. (2019). “Foreign Language Anxiety and Foreign Language Performance: A Meta-Analysis.” The Modern Language Journal, 103(4), 763–781.
Synthesized 55 independent samples involving more than 10,000 learners and similarly found a moderate negative relationship between foreign-language anxiety and performance.
Botes, Elouise, Jean-Marc Dewaele, & Samuel Greiff. (2020). “The Foreign Language Classroom Anxiety Scale and Academic Achievement: An Overview of the Prevailing Literature and a Meta-Analysis.” Journal for the Psychology of Language Learning, 2(1), 26–56.
Examined 99 effect sizes involving more than 14,000 learners and found negative associations between classroom language anxiety and multiple language-learning outcomes.
Roorda, Debora L., Helma M. Y. Koomen, Jantine L. Spilt, & Frans J. Oort. (2011). “The Influence of Affective Teacher–Student Relationships on Students’ School Engagement and Achievement: A Meta-Analytic Approach.” Review of Educational Research, 81(4), 493–529.
Synthesized 99 studies examining relationships among teacher-student relationships, engagement, and achievement.
Dörnyei, Zoltán. (2001). Motivational Strategies in the Language Classroom. Cambridge University Press.
Zeißig, Anke, Julia Kansok-Dusche, Saskia M. Fischer, Julia Moeller, & Ludwig Bilz. (2024). “The Association Between Boredom and Creativity in Educational Contexts: A Scoping Review on Research Approaches and Empirical Findings.” Review of Education, 12(1), e3470.
A review of 27 empirical studies that found mixed evidence rather than a simple positive relationship between boredom and creativity.
Kohn, Alfie. (1992). No Contest: The Case Against Competition, revised edition. Houghton Mifflin.
An important influence on how I think about competition and cooperation in learning. I include it here as an argument that has shaped my practice, rather than as evidence that every form of competition produces the same outcomes.
