So last week we talked about understanding that being right isn’t enough without effective communication and about recognizing cognitive biases in player evaluation. Get ready for the third and fourth lesson by astrophysicist Neil deGrasse Tyson, applied to field hockey coaching 😉
TLDR;
Neil deGrasse Tyson, one of the world's great thinkers, shares his insights in how to think, teach, and communicate more effectively. This series of articles explores eight essential lessons from one of the world’s greatest science communicators that directly apply to coaching field hockey: understanding that being right isn’t enough without effective communication; recognizing cognitive biases in player evaluation; embracing the scientific method in tactical innovation; tailoring communication to different athletes; using progressive teaching strategies; measuring what matters; leveraging body language; and fostering genuine curiosity in your players. These aren’t abstract concepts. They’re practical tools that can transform how you develop players, implement tactics, and build winning programs.For four consecutive weeks we'll share two lessons each week with you...
When Science Meets Sports
When Neil deGrasse Tyson delivered a masterclass on Scientific Thinking and Communication it wasn’t only about astrophysics, his field of expertise. It’s about how we discover truth, overcome our biases, and communicate complex ideas effectively. These are precisely the skills that separate good coaches from great ones.
We’ll explore eight lessons from Tyson that directly apply to coaching field hockey at competitive levels. Learning from Tyson’s insight that “the scientific method is, do whatever it takes to not fool yourself into thinking something is true that is not.”
We explore how to tailor your coaching to different types of athletes, implementing his principle that “the same ideas, the same concepts, can be framed, shaped, in different ways depending on the audience.”
Today its about lessons three and four we wanted to share based upon the masterclass given by Neil deGrasse Tyson. But make sure you also take a look at these earlier masterclasses:
→ Simon Blanford: How data analysis can change your team’s circle behavior
→ Simon Blanford: A gentle introduction to data analysis in hockey
These lessons aren’t theoretical—they’re immediately applicable to your training session tomorrow, your team talk on gameday, and your season planning for next year. Let’s continue….
Lesson 3: The Scientific Method: Do Whatever It Takes Not to Fool Yourself
You’ve developed a new press system over the summer. You’ve studied the top international teams, you’ve adapted principles from other sports, you’ve put in the hours of planning. You introduce it in preseason, run it in a few training matches, and it looks promising. By mid-season, you’re convinced it’s the foundation of your tactical identity.
But how do you know it’s working? And not just working compared to your old system, but working at all?
Tyson defines the scientific method elegantly: “Do whatever it takes to not fool yourself into thinking something is true that is not. Or into thinking that something is not true, that is. That’s the scientific method. Whatever it takes.”
Field hockey coaches are constantly experimenting—with tactics, with training methodologies, with team selection, with motivational approaches. But we rarely apply actual scientific thinking to these experiments. We don’t establish baselines, we don’t control for variables, we don’t seek evidence that might disprove our hypotheses. We implement something new, look for signs it’s working, and confirm our genius. This isn’t science; it’s superstition with statistics.
Consider Tyson’s planetary discovery examples. When Uranus wasn’t following Newton’s laws, scientists had two options: Newton’s laws were wrong, or there was another factor (Neptune) they hadn’t accounted for. When Mercury didn’t follow Newton’s laws, the same logic led to the hypothesis of Vulcan—but this time, the answer was that Newton’s laws actually were insufficient, and Einstein’s general relativity was needed.
The lesson? The same symptoms can have completely different causes, and you need to test your hypotheses rigorously to know which one is true.
Your team is struggling to convert scoring opportunities. Is it:
A technical issue with finishing?
A tactical issue with the types of opportunities created?
A psychological issue with pressure in key moments?
A selection issue with the wrong players in scoring positions?
A training issue with insufficient practice of match-realistic scenarios?
Each diagnosis leads to a different solution. If you assume it’s a technical issue and spend three weeks drilling shooting technique, but the real problem is tactical (you’re creating low-percentage chances from difficult angles), you’ve wasted three weeks and frustrated your players in the process. You’ve fooled yourself.
Tyson emphasizes that “nature is the ultimate judge, jury, and executioner. You can argue all you want. But if nature doesn’t agree with you, you’re wrong.” In coaching, match results are nature’s verdict—but we must be careful not to oversimplify. A win doesn’t mean every decision was correct; a loss doesn’t mean every decision was wrong.
Here’s how to apply scientific thinking to your coaching:
1. State Your Hypothesis Clearly: Instead of “We need to press higher,” state: “If we initiate our press 5 meters higher up the pitch, we will win possession in the attacking third 30% more often, leading to more scoring opportunities from turnovers.”
2. Define How You’ll Measure Success: What data will you collect? Possessions won in attacking third? Shots from turnovers? Goals from high turnovers? Be specific before you implement the change.
3. Establish a Baseline: You can’t know if something works better unless you know how things worked before. Track your current metrics for multiple matches before your start drawing any conclusions.
4. Isolate Variables: If you simultaneously change your press height, your defensive line positioning, and your striker rotation, and performance improves, which change caused the improvement? You don’t know. Try to test one significant change at a time when possible.
5. Look for Disconfirming Evidence: This is the hardest part. After implementing your higher press, actively look for evidence it’s not working. Are you conceding more from turnovers? Are your defenders getting exposed? Are your midfielders too fatigued in second halves?
6. Be Willing to Abandon Your Hypothesis: Tyson describes how scientists “were perfectly happy to give up Vulcan” when Einstein’s relativity provided a better explanation. You must be willing to abandon a tactical approach you’ve invested time in if the evidence shows it’s not working. This is incredibly difficult because of the sunk cost fallacy, but it’s essential.
7. Recognize Multiple Possible Outcomes: Tyson’s three planetary examples showed three different outcomes from similar problems: one confirmed existing theory (Neptune), one required new theory (Mercury and relativity), and one was faulty measurement (Neptune’s orbit after correcting observational errors). Your tactical experiment might succeed, might need modification, or might reveal that your initial diagnosis was wrong.
The key insight is that you’re always running experiments as a coach—the only question is whether you’re running them scientifically or superstitiously.
As Tyson notes: “The day you stop making mistakes, it’s the day you can be pretty sure you are no longer on the frontier.” Be willing to experiment, be willing to fail, but bring scientific rigor to the process. Your players deserve better than tactical guesswork dressed up as expertise.
And yes, we all recognize and understand as coaches we often have the pressure of immediate results. So testing and analyzing the right way is not always an option. Just make sure you recognize when you’re making decisions based upon gut and when you have the facts. And act accordingly…
Never hesitate to Assistant.Hockey more tips about this from the many other coaches we hosted in our masterclasses and workshops. If you’re already a paying subscriber… thank you 🙏 and please read on for the next lesson on cognitive bias. If you’re not yet a paid subscriber, join us to get the most out of what we share here 😉 and make sure you don’t miss our next posts with the remaining lessons…
Lesson 4: Tailor Your Message to Your Audience. Every Time!
You’ve gathered your team for the halftime talk. You have ten minutes to make crucial tactical adjustments. You explain, clearly and concisely, exactly what needs to change. Your senior center-back nods immediately, she gets it. Your young winger looks confused. Your striker is staring at the ground. Your goalkeeper is nodding but you can tell she’s just agreeing without understanding.
You’ve delivered one message to four different receivers, and only one received it correctly. This is the communications tragedy that plays out in changing rooms across the world every weekend.
Tyson is unequivocal: “If you’re going to tell anybody anything, either an individual, a small group, a large group, it doesn’t matter. You have to understand your audience. You have to. Otherwise, it’s two ships passing in the night. Otherwise, you’ll be lecturing. And not communicating.”
He describes preparing for a high school commencement speech by requesting detailed demographic information: how many students, male versus female, poverty levels, college attendance rates. When the principal questioned why this mattered, Tyson explained: “My message is going to be my message, but how I deliver the message is completely influenced by who I’m talking to.”
This same principle applies within your single team. You have players with different:
Experience levels: Your veteran players grasp tactical concepts from shorthand; your rookies need detailed explanation
Learning styles: Some players need to see it demonstrated, others need to hear it explained, others need to physically practice it
Technical abilities: Complex tactics require technical execution; suggesting them to technically limited players creates frustration
Psychological profiles: Some respond to challenge, others to encouragement
Cultural backgrounds: Communication styles that work with one player fall flat with another
The lazy coach delivers the same message the same way to everyone. The effective coach has multiple tools in their utility belt.
Tyson describes his preparation: “The same ideas, the same concepts, can be framed, shaped, in different ways depending on the audience, depending on what makes that audience tick relative to this audience.”
Here’s what this looks like in practice:
To your experienced center-back: “Remember last season against City when they overloaded the left channel? Same pattern. Step up with timing on the diagonal ball.”
To your young winger: “When you see their fullback receive the ball facing backward, that’s your trigger to press. Close the space to about three meters, show them inside toward our cover. I’ll work with you on positioning after the half.”
To your striker who’s struggling: “Forget everything else. One job: when we win the ball, sprint to the back post. That’s it. Sprint to the back post. We’ll find you.”
To your goalkeeper: “Adjust your starting position two yards higher. Their striker is making runs in behind but not threatening from distance. Cut the angle on the through balls.”
Same tactical adjustment (defending better against through balls), four different communications tailored to four different audiences.
Tyson emphasizes: “Understanding your audience is knowing their propensity to humor, to smile, to laugh. Their political leanings. What demographics best represent who and what they are. You want to know how old they are, because different examples would work for different age groups.”
For coaches, this means knowing:
Which players respond to data and analysis versus feel and intuition
Which players need encouragement before challenge versus challenge before encouragement
Which players grasp spatial concepts easily versus need them broken down
Which players are confident enough to handle correction in front of the group versus need private feedback
The most effective team talks aren’t speeches—they’re targeted communications to individuals within a group context.
One practical application: Before every training session, identify your key teaching point for that session (e.g., “improving first touch under pressure”). Then, before you begin, take thirty seconds to consider: How will I explain this to Player A versus Player B? What example will resonate with Player C? How will I demonstrate this for Player D who is a visual learner?
This isn’t dumbing down your coaching—it’s the opposite. It’s smart enough to recognize that the best information poorly delivered might as well not be delivered at all.
As Tyson concludes: “If I’m going to be effective, I need to know in advance: How are they thinking? How is their brain wired? What biases are they most susceptible to? Where are their receptors? So that I can say, here’s information I can fit in this way, maximizing the chance that they will say, I never thought about it that way. Thank you.”
When was the last time a player thanked you for helping them understand something new about the game? If it’s been a while, the problem isn’t your knowledge—it’s your communication.
