The irrelevant speech effect refers to the degradation of serial recall when speech sounds are presented, even if the list items are presented visually. The sounds need not be a language the participant understands, nor even a real language - human speech sounds are sufficient to produce this effect.
Read more about Irrelevant Speech Effect: Interference Hypothesis
Famous quotes containing the words irrelevant, speech and/or effect:
“A poor relation is the most irrelevant thing in nature, a piece of impertinent correspondency, an odious approximation, a haunting conscience, a preposterous shadow, lengthening in the noon-tide of our prosperity.... He is known by his knock.”
—Charles Lamb (1775–1834)
“Speech and prose are not the same thing. They have different wave-lengths, for speech moves at the speed of light, where prose moves at the speed of the alphabet, and must be consecutive and grammatical and word-perfect. Prose cannot gesticulate. Speech can sometimes do nothing more.”
—James Kenneth Stephens (1882–1950)
“The poem has a social effect of some kind whether or not the poet wills it to have. It has kinetic force, it sets in motion ... [ellipsis in source] elements in the reader that would otherwise be stagnant.”
—Denise Levertov (b. 1923)