THREAD, PT DEUX -- it was a lovely long weekend, I’m feeling rested and energized, and lucky for you I’ve got some more great criminal justice policy ideas to share. Real exciting stuff, I promise. Let’s flesh these out: 1/9

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Thread of decodes for the day. Make sure you check out the [SUB] threads too!

Survivorship Bias 101

History is written by the victors. But if we exclusively focus on these successes, we allow survivorship bias to distort our understanding of the world.

But what is "survivorship bias" and how does it work?

Here's Survivorship Bias 101!

👇👇👇

1/ First, a few definitions.

Survivorship bias is the logical error of concentrating on survivors (successes) and ignoring casualties (failures).

When we do so, we miss the true "base rates" of survival (the actual probability of success) and arrive at flawed conclusions.

2/ When we completely ignore failures, we lose our ability to correctly identify the differences between successes and failures.

Put simply, exclusively focusing on successes may actually inhibit our ability to identify (and replicate) the actions that led to such success.

3/ Cicero wrote on the topic over 2,000 years ago.

An atheist named Diagoras is shown portraits of people who prayed and were saved from death at sea as proof of God's existence.

Diagoras replies, "I see those who were saved, but where are those painted who were shipwrecked?"

4/ Cicero cuts right to the point - we cannot conclude that prayer led to being saved from the sea if we ignore those who prayed and then drowned.

Survivorship bias can lead to a deeply-flawed understanding of cause-and-effect relationships.

Let's look at some examples.

🧵 @DianeLangberg wrote about NDAs in Christian environments, noting “An NDA is an agreement to hide something. In the cases I have encountered it has always been an agreement to exercise power over and hide sin.... [it is] unlike our Lord.”
1/

NDAs are traditionally “non-disclosure” - don’t talk about specific X. Often in church/ministry cases - they’re overly broad - don’t talk abt *anything* re: your employment

but also may include

“non-disparagement” - don’t say anything negative about us EVEN IF IT IS TRUE
2/

Numerous articles have described the use of NDAs in Christian environments and the conflict with principles described in the very faith supposedly being promoted. I’m linking them here then I’ll offer my 20-year lawyer and victim of silencing (gag order) take on the practice.
3/

“Silence of the sheep” (2018) from @emlybelz described how the conference of catholic bishops has now banned NDAs in abuse cases but how some churches and Christian orgs still use them without

Later in 2018, @scotmcknight discussed NDAs after the Bill Hybels sex abuse scandal, noting that often the stronger party is implicated in sin because the whole reason for the NDA is bc they know that something is wrong and they don’t want it