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Sale Price $58.14.
Original Price $68.40 per shirt
You save 15%
Dunning-Kruger Effect Dumb People Explained T-Shirt
Qty:
Style
Basic Dark T-Shirt
-$2.15
-$4.75
+$16.25
Colour & Print Process
Black
Vivid Printing: White Underbase
About T-Shirts
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About This Design
Dunning-Kruger Effect Dumb People Explained T-Shirt
Funny cognitive bias "Dunning-Kruger Effect" is a simple text design explaining how dumb people think they are geniuses and knowledgeable people think they need to investigate more. This fun human behavior design makes a nice gift for a resident or for anyone who loves understanding human behavior.
Customer Reviews
4.7 out of 5 stars rating32.5K Total Reviews
32,502 Reviews
Reviews for similar products
5 out of 5 stars rating
By Robert C.1 March 2022 • Verified Purchase
Basic Dark T-Shirt, Black, Adult L
Creator Review
I purchased this to test to see if zazzle was producing good quality.
Needless to say, they are.
The sizing runs a bit on the small size though. Print quality is perfect. What you see on the screen is what you get.
5 out of 5 stars rating
By Xavier D.3 February 2021 • Verified Purchase
Basic Dark T-Shirt, Black, Adult M
Creator Review
I like the colours and design, I liked it that much I bought one for myself. Yes the colours and deisgn turned out great. Much better than I expected
5 out of 5 stars rating
By Rachel R.4 September 2025 • Verified Purchase
Basic Dark T-Shirt, Black, Adult S
Ordered the Irish terrier t shirt. I love it! There was a slight issue with sizing ( my fault) but their customer service was amazing. New t shirt within 5 days. I recommend getting 1 to 2 sizes bigger. I am wearing Men's size large.
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Other Info
Product ID: 256857083540255957
Added on 7/3/26, 3:56 am
Rating: G
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