Scrum: The Art of Doing Twice the Work in Half the Time

by Jeff Sutherland

That very large groups do less seems to be an ironclad ru...

The problem with Miller’s work is that later research has proved him wrong.

It turns out that the number of items one can retain in short-term memory isn’t seven. It’s four.

But the research is fairly clear that we can only remember four “chunks” of data.

fbicbsibmirs.

But the part of the mind that focuses—the conscious part—can only hold about four distinct items at once.

first

second

Communication channels = n (n−1)/2.

Don’t do it. Keep your teams small.

The Scrum Master

The All Blacks, a legendary team from the small country of New Zealand, are a transcendent team.

haka.

They’re invoking a warrior spirit that does not accept defeat or dismay.

They came up with four aspects worthy of emulation.

first

second

third

f...

That it happened was cause for celebration.

“Scrum Master.”

The key part of that was to realize that often the impediments aren’t simply that the machine doesn’t work or that Jim in accounting is a jerk—it’s the process itself.

continuous improvement—to

“What can we change about how we work?”

“What is our biggest sticking point?”

Don’t Hate the Player, Hate the Game

“Fundamental

Attribution Error.”

Induction: Processes of Inference, Learning, and Discovery,

This is old stuff that has been reproduced over and over and over again.

Important differences emerged.

This way of perceiving the world is funny when you see it in others. It’s so obvious that they’re making misjudgments. But before you laugh, you need to own up that you do it all the time as well.

We all perceive ourselves as responding to a situation, while we see others as motivated by their character.

Induction

An intuitive physicist might explain why a rock falls by saying the rock itself has the intrinsic quality of gravity, rather than saying that gravity is part of a system of forces acting on the rock.

we talk about their inherent properties, rather than see those properties in relation to the external environment.

It’s the system that surrounds us, rather than any intrinsic quality, that accounts for the va...

Instead of looking for blame and fault, it rewards positive behavior by focusing people on working tog...

Milgram experiment

Three months before the first experiments began, Adolf Eichmann, the architect of the Holocaust, went on trial.

It’s very easy to look at crimes against humanity and blame individuals for their actions.

And the uncomfortable answer is that no, Americans wouldn’t have behaved differently.

Given the right situation, we’re all capable of being Nazis.

The experiment worked this way.

Almost all continued after they were assured that they wouldn’t be held responsible.

“Please continue.”

“The experiment requires that you continue.”

“It is absolutely essential that y...

“You have no other choice. You must go on.”

“The Perils of Obedience”: