Size-Constancy and Visual Acuity

Impact of mental operation instructions.

“…Instructions that participants were given before performing a task can have an effect on both the strategy they used in performing it (e.g., Carlson, 1962; Carlson & Tassone, 1963, 1967; Wells, 1993), and on their task performance (e.g., Pachella & Pew, 1968; Wells, 1993). By way of example, the literature shows that there are multiple consequences from deep versus shallow processing of information and from instructions that point to one or the other.…”