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Developer Tea

Jonathan Cutrell
Developer Tea
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  • Your Capacity for Growth Is Dependent on This Factor - Cognitive Load Theory
    Today we explore Cognitive Load Theory. This concept can profoundly influence how you structure your workday, manage teams, and approach learning in your career. The episode highlights that much of professional work, particularly in knowledge-based roles like software engineering, is fundamentally about learning. You will discover that there is an optimal amount of information processing for effective learning, and both overloading and underloading your cognitive capacity can be detrimental. A key insight is that cognitive load does not discriminate; all external factors, whether work-related or personal (e.g., tiredness, a messy desk), consume your finite cognitive capacity, leaving less "headroom" for optimal performance. Furthermore, cognitive load is not static but varies daily, impacted by an individual's diverse life experiences. The episode also delves into how skill development effectively lowers the cognitive load required for specific tasks, allowing individuals to achieve more with less mental effort or take on new challenges. It underscores the importance of self-awareness in recognising signals of overload or underload, and for managers, it emphasises fostering empathy by understanding how external life factors can impact a team member's cognitive capacity.Understand the pervasive nature of learning in professional careers, particularly for developers, where acquiring new information and making connections is a constant.Grasp the core principle of Cognitive Load Theory: there is an ideal level of information processing that maximises your learning ability. Both excessive (overload) and insufficient (underload) cognitive demands can negatively impact this learning rate.Recognise that your cognitive load does not differentiate between sources. This means that personal factors such as being tired, anticipating events, or even having a cluttered workspace contribute to your overall cognitive load, reducing your capacity for work-related tasks.Appreciate that an individual's cognitive load is not a fixed value; it fluctuates daily due to various life experiences.For managers, learn to proactively discuss cognitive load with your team members to help them operate at an appropriate engagement level. A simple way to initiate this conversation is by asking about their energy and positivity levels.Discover that while reducing non-value-producing cognitive load provides more mental overhead, it also carries the risk of underloading, which can lead to disengagement and reduced performance. The challenge lies in finding the optimal balance.Learn how developing skills and gaining experience reduces the cognitive load required to perform a task. This means you become more efficient and can accomplish the same outcomes with less mental effort, freeing up capacity for new learning or additional responsibilities.Consider career growth through the lens of cognitive load: it involves either increasing efficiency (doing more of the same with less load) or expanding your repertoire by taking on new types of cognitive load in parallel.Understand why managing your personal life is intrinsically linked to your career success (and vice versa), as cognitive load universally affects your capacity to learn and handle challenges.Build empathy by understanding that a person's capacity to perform difficult tasks can be significantly moderated by their current cognitive load, which may be influenced by challenging personal circumstances.Recognise task saturation as the point of cognitive overload where performance declines rapidly, as observed in flight training. Repeated exposure to this point, however, can lead to skill development that lowers the cognitive load for those specific tasks over time.Understand that multitasking often increases cognitive load due to switching costs, making it less efficient than sequential task completion.🙏 Today's Episode is Brought To you by: Wix StudioDevs, if you think website builders mean limited control—think again. With Wix Studio’s developer-first ecosystem you can spend less time on tedious tasks and more on the functionalities that matters most:Develop online in a VS Code-based IDE or locally via GitHub.Extend and replace a suite of powerful business solutions.And ship faster with Wix Studio’s AI code assistant.All of that, wrapped up in auto-maintained infrastructure for total peace of mind. Work in a developer-first ecosystem. Go to wixstudio.com.📮 Ask a QuestionIf you enjoyed this episode and would like me to discuss a question that you have on the show, drop it over at: developertea.com.📮 Join the DiscordIf you want to be a part of a supportive community of engineers (non-engineers welcome!) working to improve their lives and careers, join us on the Developer Tea Discord community by visiting https://developertea.com/discord today!🧡 Leave a ReviewIf you're enjoying the show and want to support the content head over to iTunes and leave a review! It helps other developers discover the show and keep us focused on what matters to you.For further reading (external sources):To learn more about the academic background of Cognitive Load Theory, you may find additional information on its Wikipedia page. (Please note: This link provides information from outside of the provided sources and you may want to independently verify that information.)The concept of "task saturation" discussed in the episode, particularly in the context of flight training, relates to a point of cognitive overload. More on this can be explored on its Wikipedia page. (Please note: This link provides information from outside of the provided sources and you may want to independently verify that information.)
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  • Investigating Your Invisible Systems
    This episode focuses again on the fundamental principle that your systems are perfectly designed for the outcomes you are experiencing, regardless of whether those systems were intentionally or accidentally created.Here are the key takeaways from the episode:Uncover how your systems, whether intentionally or accidentally designed, are perfectly configured for the outcomes you experience. The implication of design means choices have been made in setting up a system, but your intent is less important than the actual outcomes produced.Learn why your intent is less important than the actual outcomes when evaluating your systems. If your intent was the sole factor, everyone would achieve their desired results. Instead, systems should be judged by the outcomes they generate.Discover the concept of "accidental design," where unseen factors influence system behaviour. This can be inspired by Goodhart's law, where a measure becomes a target and changes behaviour, or by environmental factors, such as how your workspace impacts your thinking and heart rate.Explore how "invisible systems" – the unexamined rules and assumptions that govern your daily life – profoundly influence your actions and results. These are forces changing your behaviour that you likely haven't evaluated, such as automatically accepting all meeting invites.Understand that human behaviour, including your own, can be an outcome of your systems. This perspective offers the highest leverage opportunity for change, as modifying the underlying system is more effective than relying on temporary motivation or addressing knowledge gaps in isolation.Realise that system boundaries are often arbitrary, and a system's design must account for all factors influencing its outcomes. For example, a quality assurance system cannot be considered good if it fails due to a "talent" issue; the talent pool and hiring procedures are part of the overall system affecting the outcome. Ignoring such factors because they fall outside perceived boundaries of responsibility can lead to irreducible or expensive risks.You are encouraged to investigate the invisible parts of your systems and write down the assumed rules that govern your life, even if you haven't evaluated their truth or helpfulness.📮 Ask a QuestionIf you enjoyed this episode and would like me to discuss a question that you have on the show, drop it over at: developertea.com.📮 Join the DiscordIf you want to be a part of a supportive community of engineers (non-engineers welcome!) working to improve their lives and careers, join us on the Developer Tea Discord community by visiting https://developertea.com/discord today!🧡 Leave a ReviewIf you're enjoying the show and want to support the content head over to iTunes and leave a review! It helps other developers discover the show and keep us focused on what matters to you.
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  • Perfection Is Fragile, and You Should Avoid It
    This episode discusses why perfection is a dangerous and fragile goal, explaining how striving for 100% leads to unsustainable outlier states. It highlights how setting perfection as a bar can cause commitments to break and plans to fail due to a lack of slack, and offers strategies like building redundancy and planning with slack to achieve goals more effectively without relying on perfection.Uncover why perfection is a dangerous and fragile goal, as it often requires exorbitant, unsustainable effort and creates outlier states that are unlikely to be maintained, referencing the "Wedies effect" where things tend to regress to the mean.Learn how planning for 100% utilisation or setting perfection as a commitment can lead to fragility, causing plans to fail when unexpected changes occur or leading to giving up altogether once a "perfect" streak is broken.Discover practical strategies to avoid fragile perfectionism, such as planning with slack to accommodate change and building redundancy into your systems and personal commitments for more robust outcomes.Explore why actively avoiding requirements or expectations of perfection is crucial, as investing in it can be an exponential or even asymptotic step, leading to an unsustainable and fragile state.Note: sorry about the plane noise in the background. I decided to publish it, since it's imperfect (and that's kind of making the point!).📮 Ask a QuestionIf you enjoyed this episode and would like me to discuss a question that you have on the show, drop it over at: developertea.com.📮 Join the DiscordIf you want to be a part of a supportive community of engineers (non-engineers welcome!) working to improve their lives and careers, join us on the Developer Tea Discord community by visiting https://developertea.com/discord today!🧡 Leave a ReviewIf you're enjoying the show and want to support the content head over to iTunes and leave a review! It helps other developers discover the show and keep us focused on what matters to you.
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  • Your System is Perfectly Designed for Your Current Outcomes
    This episode introduces the potentially controversial principle that your system is perfectly designed for its current outcomes, urging listeners to embrace greater responsibility for systemic issues. It explores how to redefine system boundaries to holistically integrate all influencing factors, like talent and organisational processes, ensuring that interventions are effective and targeted.Uncover the principle that your system is perfectly designed for the results you are getting, prompting a re-evaluation of what constitutes a "good" system when outcomes are undesirable.Learn why arbitrary system boundaries often lead to critical factors, such as talent, being excluded, and how to consider a system's full scope regardless of traditional lines of responsibility.Discover how incorporating talent and other seemingly external factors into your system design can lead to more efficient and effective solutions, rather than simply patching symptoms.Explore the distinction between judging decisions by their outcomes (resulting) and designing systems that proactively reduce uncertainty and improve the likelihood of success.Understand that system thinking extends beyond technical architecture to encompass processes, policies, culture, and interpersonal dynamics, which collectively influence organisational outcomes.📮 Ask a QuestionIf you enjoyed this episode and would like me to discuss a question that you have on the show, drop it over at: developertea.com..📮 Join the DiscordIf you want to be a part of a supportive community of engineers (non-engineers welcome!) working to improve their lives and careers, join us on the Developer Tea Discord community by visiting https://developertea.com/discord today!.🧡 Leave a ReviewIf you're enjoying the show and want to support the content head over to iTunes and leave a review! It helps other developers discover the show and keep us focused on what matters to you.
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  • Using LLMs To Expand Your Working Vocabulary
    This episode explores the fundamental mindset of building your vocabulary, extending beyond literal words to conceptual understanding and mental models, and how Large Language Models (LLMs) can be a powerful tool for expanding and refining this crucial skill for career growth, clarity, and navigating disruptions.Uncover why building your vocabulary is a fundamental skill that can help you navigate career transitions, disruptions (such as those caused by AI), and changes in roles.Understand that "vocabulary" goes beyond literal words to include mental models, understanding your own self, specific diagrams (like causal loop diagrams or C4 diagrams), and programming paradigms or design patterns. This conceptual vocabulary provides access to nuanced and powerful ways of thinking.Learn how LLMs can be incredibly useful for refining and expanding your conceptual vocabulary, allowing you to explore new subjects, understand systems, and identify leverage points. They can help you understand the connotations, origins, and applications of concepts, as well as how they piece together with adjacent ideas.Discover why starting with fundamental primitives like inputs, outputs, flows, and system types can help you develop vocabulary, and how LLMs can suggest widely used tools or visualisations based on these primitives (e.g., a scatter plot for XY data).Explore why focusing on understanding the "why" and "when" of using a concept or tool is a much higher leverage skill than merely knowing "how" to use it, enabling you to piece together different vocabulary pieces for deeper insights.📮 Ask a QuestionIf you enjoyed this episode and would like me to discuss a question that you have on the show, drop it over at: developertea.com.📮 Join the DiscordIf you want to be a part of a supportive community of engineers (non-engineers welcome!) working to improve their lives and careers, join us on the Developer Tea Discord community by visiting https://developertea.com/discord today!🧡 Leave a ReviewIf you're enjoying the show and want to support the content head over to iTunes and leave a review! It helps other developers discover the show and keep us focused on what matters to you. Leaving a review on iTunes is the most impactful way to help others find the show. The podcast is also available on Spotify and YouTube.
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Developer Tea exists to help driven developers connect to their ultimate purpose and excel at their work so that they can positively impact the people they influence. With over 17 million downloads to date, Developer Tea is a short podcast hosted by Jonathan Cutrell, engineering leader with over 15 years of industry experience. We hope you'll take the topics from this podcast and continue the conversation, either online or in person with your peers. Email: [email protected]
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