About a minute to play

Guess the correlation

You will see 8 scatterplots. For each one, tap the correlation you think it shows. The last five each have a twist from the Handbook. Get the most right in the shortest time.

r near 1
a tight rising line

r near 0
no line at all

r near −1
a tight falling line

Top score each day wins a goody bag.

Leaderboard

From The Psychometrician’s Handbook, Volume 1: Correlations. Free at itemandscale.com

Plot 1 of 8

0.0 s

What is the correlation?

Your score

of 8 right

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The twists, explained

Saved

You are on the board

Leaderboard

The twists, explained

Bonus plot

?? s

Twist: you

What is the correlation?

Guess the correlation

Leaderboard

Put your score on the leaderboard

The twists, explained

You are on the board

Leaderboard

The twists, explained

You are the outlier