The phrase "simplistic notion" means having a simple or basic understanding of something, often oversimplified and ignoring important details or complexities. Full definition
But in order to get the attention, they needed to produce and embrace a truly simplistic notion of authenticity. (purple.fr)
For one, simplistic notions like «carrying capacity» rely on stable ecosystem theory, and if climate changes rapidly, that goes out the window. (realclimate.org)
Renzulli: The most important thing we can do to raise expectations is to broaden our concept of «achievement» beyond the rather simplistic notion that it is only what is measured on achievement tests. (educationworld.com)