Well, if you think that the rustle in the grass is a dangerous predator and it turns out it's just the wind, you've made an error in cognition, made a Type I error, false positive. But no harm. You just move away.
Si piensas que el crujido en la hierba es un depredador peligroso pero resulta ser el viento, has cometido un error de cognición, un error de tipo 1, un falso positivo.