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Dan Quintana @dsquintana
, 13 tweets, 6 min read Read on Twitter
Here are ten things I’ve changed my mind about in the last few years of being a scientist
1. P-values are bad.

Nope. P-values are good for what they’re designed to do. Just because they’re (often) misused doesn’t mean that we should abandon them.
2. Bayes factors will save us from the misuse of p-values

No. Bayes factors *can* be useful, but they’re not always the solution to p-value limitations.
3. Everything should pre-registered.

Uh-uh. A study isn’t inherently “bad” if it’s not pre-registered. But it’s more likely to be bad if *pretends* to be
4. Work your arse off and you’ll land papers and grants.

No siree. I’ve seen plenty of researchers with far more talent than me have a long string of rejections. LUCK + hard work = success
5. When your colleagues win, you lose.

Nah. Unless you’re competing for the exact same grant, a success for your lab mate is a success for you. Don’t you want to be in a successful lab?
6. Keep your ideas to yourself, people will steal them.

Probably not. Ideas are everywhere, but very few people have the resources and persistence to follow through and execute them. Get feedback early! Better to say something wrong in a preprint than a published paper...
7. Presentations that aren’t directly related to your research are a waste of time.

Incorrect. Some of my best research ideas have come from these ‘unrelated’ talks. There’s always *something* you can take away from a talk.
8. Don’t bother with Open Access articles.

Untrue. That frustration I get when I can’t find an article from an obscure journal my rich Uni doesn’t happen to have a subscription to is what most academics experience all time. If you can’t afford #OA, then preprint.
9. #Rstats is hard, don’t bother learning it if SPSS does everything you need.

False. One of my best academic decisions was taking the time to learn R. It’s flexibility and reproducibility far outweighs the occasional frustration.

Also, GIFs.
10. Twitter is a waste of time, you’re better off writing manuscripts

Nope. I changed my mind about these nine other things from stuff I read on Twitter, and now I write better manuscripts.
This thread seems to have caught some interest... Here’s a list of a *few* people that I’ve learnt lots from on Twitter:

Open science: @chrisdc77, @jessicapolka, @ceptional

Stats: @lakens, @krstoffr, @EJWagenmakers, @wviechtb

General: @hardsci, @deevybee, @Neuro_Skeptic
I also co-host @hertzpodcast, which covers many of these topics. Here are a few popular episodes if you're after a new podcast:

Stats: soundcloud.com/everything-her…

Open science: soundcloud.com/everything-her…

Preprints: soundcloud.com/everything-her…

Work/life balance: soundcloud.com/everything-her…
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More from @dsquintana see all

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Here’s why national grant funding agencies should launch their own open access journals and how they can get researchers behind the idea

[THREAD]
We’ve gotten ourselves into a hot mess when it comes to reproducibility and this is largely due to publication practices that have become entrenched over the last few decades
There have been some impressive examples of individual, group, journal and institution-driven reforms of publications practices, but unless you get almost everyone on board you’ll find yourself in a Red Queen dilemma en.wikipedia.org/wiki/Red_Queen…
Read 21 tweets
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I recently reviewed my first Registered Report (RR). It’s one thing to read about the benefits of RRs on paper, but another to see them in action.

Based on my RR reviewing experience, here’s why I think the format should be adopted at every journal (especially the fancy ones)
But first, what are RRs? In short, the RR is a relatively new format in which manuscripts are reviewed in two stages: before the data is collected and after the data is collected and analyzed cos.io/rr/
When RRs have been presented to undergrads, they often remark, “Wait, isn’t this just science?”, which is a damning assessment of our current system... Just think about how different psych would be if RRs were the gold-standard for hypothesis driven research over the past 30 yrs
Read 16 tweets
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You’ve worked hard putting together a presentation so why limit it to the people sitting in your talk?

Here are a few tips for repurposing your talk for sharing on social media
1. Add your twitter handle on your intro slide and encourage your audience to tweet. Limiting the text on your slides will also encourage tweets. If your text isn’t tweetable then there’s too much text.

Even if people are reading it, they’re not listening to you
What’s better than big blocks of text?

Images!

Use @unsplash for a huge library of free and high quality images that don’t require distracting attribution text at the bottom of your slide
Read 11 tweets

Related threads

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Here's what they're saying on FB group "Jeremy Corbyn - True Socialism" in response to Momentum's excellent video (and protest) about David Icke's antisemitism and promotion of Holocaust denial.



SPOILER: It hasn't gone down well. 1/
First the admins. The moderators of this 17,000 strong forum. They are the people you would contact if you see antisemitic content on there and er... want it removing. 2/
Conspiracy theories are unfalsifiable, antisemitic ones are too. Any evidence given to contradict the theory is taken as the very essence of its validity.

So this video/protest can only be the work of Jon Lansman, arch Zionist using illegitimate finance for nefarious means. 3/
Read 10 tweets
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Can someone explain to me when the @GOP stopped ignoring fiscal responsibility?
Can someone explain to me why @GOP claimed to be the party of Moral Values but continues to support a person like @realDonaldTrump?

#values
Can you explain to me why you wouldn't want another party in power for the Senate or House when you believe in the Constitution and checks and balances?

#ChecksAndBalances
#Midterms2018
Read 50 tweets
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Ten days ago, #Cambodia announced that garment sector minimum wage will rise from $170 to $182/month in 2019 💰

That’s a rise of 7%! 📈 Sounds pretty good, right? 😃

WRONG 👎

Minimum wage analysis 👇
The minimum wage for garment and footwear workers in Cambodia has risen 10 times in 22 years since it was introduced in 1997, the last 8 times in each of the last 8 years.
Yesterday’s increase of 7% adds to a total increase of 355% over 22 years.
Lucky garment workers 🍀?
But as wages rise, the price of food and rent goes up too.
Real wages consider the balance between rising wages and rising costs, comparing what workers can afford relative to previous years.
In real terms, wages have risen much slower – increasing just 44% from 2001 to 2016.
Read 9 tweets
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1/ I was thinking about some of the things I've changed my mind about in the past 10 years.

Here's a list:
2/ I used to think of angel investing versus professional venture capital investing as "little league" versus "major league". Now I see them as two very different crafts, but with related skillsets and sometimes cross-over practitioners.
3/ I used to be skeptical of "fin-tech" as it seemed like a weak combination of traditional Internet customer acquisition applied to traditional financial services business models. Now I think fin-tech may be one of the most interesting/impactful areas of technology today.
Read 11 tweets
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Here’s something important that we haven’t talked about yet: funnels.

Funnels were integral to this whole operation, and probably still are.
What are marketing funnels?

Here:
forbes.com/sites/ashleyst…
If you imagine an actual funnel, a marketing funnel is pretty similar. Instead of liquid being drawn into the funnel, it’s people. When they come out the other side, it means they’ve done something specific that the marketer intended.
Read 32 tweets
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In theory, GST is supposed to be better than SST. SST rate is higher than GST. The only problem with its implementation was its poor execution.
Many people were confused as to what products/services are supposed to be zero-rated. All they knew and saw in their grocery bills were increased prices. Also didn’t help that the Ringgit hasn’t been very strong in the last few years.
Again, as I’ve said before, the GST in theory is a good idea because it would help the government to earn more and would thus reduce national debt. But where did Malaysia go wrong? How come other countries don’t seem to have a lot of issues with GST/VAT implementation?
Read 10 tweets

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