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Psychology

Randomised Statistical Trials Are Not Always The Best Option

Published on June 1, 2022 by Hemanth

Randomised Statistical Trials Are Not Always The Best Option - An illustration showing a balance, where "Human Ethics" is written on the left weighing scale, whereas "Scientific Rigour" is written on the right weighing scale.
Randomised statistical trials are the norm for scientifically rigorous statistical tests. But what do you do when scientific rigour causes an ethical conflict?
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How To Really Choose Between Favourite Experiences And Trying New Ones?

Published on May 31, 2022 by Hemanth

How To Really Choose Between Favourite Experiences And Trying New Ones? - An illustrative image where on the left, a restaurant named "Favourite Restaurant" is open and on the right, a restaurant named "New & Trendy Restaurant" is open. In the middle, a stick figure is seen undecided between the two restaurants with a bubble dialogue of "?"
Every day in life, you are faced with situations where you have to choose between favourite experiences and new ones. This essay uses science to solve this!
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How To Really Understand The Concept Of An Algorithm?

Published on May 25, 2022 by Hemanth

How To Really Understand The Concept Of An Algorithm? - An illustration that shows a stick figure on the left with the dialogue bubble: "I have a problem!" This points to → A box that says "Do this first." → Then, a box that says "Then, do this." → Then, a box that says "Finally, do this." → This points to another version of the same stick figure from before with the dialogue bubble: "Problem solved!"
When you think of the word “algorithm”, you are likely to associate it with computers or computer science. But algorithms go well beyond computers and tech!
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How To Really Avoid P-Value Hacking In Statistics?

Published on May 24, 2022 by Hemanth

How To Really Avoid P-Value Hacking In Statistics? - A table with the following columns: Test, Fail, and Pass; and the following rows: Reality, effective, and not effective. Top left: "False Negative", Top right: "True Positive", Bottom left: "True Negative", Bottom right: "False Positive".
P-value hacking is a phenomenon that is currently ensuring that most published statistical research findings are false. If you are into science, you need this!
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How To Really Understand The Philosophy Of Inferential Statistics?

Published on May 23, 2022 by Hemanth

How To Really Understand The Philosophy Of Inferential Statistics? - An image showing a cute little cow with black and white spots on the left and cute little dog with black and white spots on the right. The cow is standing and the dog is jumping. The cow has a pink nose and pink inner-sides of ears. Likewise, the dog has a pink belly, pink inside of its mouth and pink inside of its ears. The cow says "I'm CERTAIN that I'm a cow." The dog says "I'm very confident that I'm a cow."
There is a hole at the heart of inferential statistics! The philosophy of inferential statistics helps you understand so that you need not be oblivious to it!
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How To Actually Avoid The Transposed Conditional

Published on May 20, 2022 by Hemanth

How To Actually Avoid The Transposed Conditional? - An image showing a cute little cow with black and white spots on the left and cute little dog with black and white spots on the right. The cow is standing and the dog is jumping. The cow has a pink nose and pink inner-sides of ears. Likewise, the dog has a pink belly, pink inside of its mouth and pink inside of its ears. The cow says "I have four legs. So, I'm a cow!" The dog says "I have 4 legs. So, I'm also a cow!"
The transposed conditional is another one of those subtle but very consequential misunderstandings in the field of statistics. Read the essay to learn more!
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Why Is The Hot Hand Fallacy Really A Fallacy?

Published on May 19, 2022 by Hemanth

Why Is The Hot Hand Fallacy Really A Fallacy? - An image showing a basketball rolling on the hoop of a basket. Around this picture, the following question is written: "Do you really have a hot hand?"
The hot hand fallacy is one of those phenomena that divided and rocked the scientific world. Check out the essay to learn more about this phenomenon!
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How To Really Understand Statistical Significance?

Published on May 17, 2022 by Hemanth

How To Really Understand Statistical Significance? - An illustration of a bell curve that shows the 95% confidence interval highlighted in pink. There are 3 significant values marked on the horizontal axis: -1.96 on the left boundary of the confidence interval, 0 at its centre, and +1.96 at its right boundary.
Statistical significance is one of those “scientific” concepts/tools that has steadily been misused over the years. In this essay, we clarify the issues!
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How To Perfectly Predict Improbable Events

Published on May 15, 2022 by Hemanth

How To Perfectly Predict Improbable Events - Illustrative art that shows a lonely house near a tree in the middle of nowhere. There is a large grey cloud hovering over the plane, and is pouring rain down. On the left, at a time of 18:01, the tree seems to be struck by a rod of lightning. On the right, at 18:02, the tree seems to be struck by two more rods of lightning. The tree says (on the right): "What did I do to deserve this?!"
All you need to perfectly predict improbable events is the power of mathematics. If you find this hard to believe, read the essay. It will change your mind!
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How To Really Treat Percentages With Negative Numbers

Published on May 13, 2022 by Hemanth

How To Really Treat Percentages With Negative Numbers - A table listing the following information: Product A → Return: 600 ; Product B → Return: 400 ; Product C → Return: -400; Total Return: 600. Below the table the following question is written: "What is A's contribution to the total return?"
When do you really need to treat percentages with negative numbers? “Not often. If not, never!” If this is your answer, think again! It's not that simple!
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