Exact(1)
The face test items were presented for 1000 ms, and the shoes were presented for 500 ms. Different presentation times were used in order to equate difficulty across the two tasks, because pilot tests revealed that the shoe matching task was easier than the face matching task.
Similar(59)
Fourth, any attempt to equate "functional difficulty" of an ongoing task is likely to have limited ecological validity and real-life relevance.
We determined the scale and the number of tones empirically to equate the difficulty of both tasks (Figure 1C and 1D).
One might argue that Einstein and McDaniel [4] and others who incorporated the ease of ongoing task confound into their designs aimed to equate functional difficulty of ongoing tasks for younger and older adults and that age declines under these "functionally equated" conditions reflect true age differences in prospective memory.
The aim of the staircase procedure was to equate the difficulty of the perceptual task between individuals.
A scanner task was developed to equate task difficulty across the 2 groups of readers due to their different levels of reading skills (McGraw Fisher et al. forthcoming).
Einstein and McDaniel [11] explained that they made their ongoing task easier for older vs. younger adults because "this [making word lists shorter for older vs. younger adults] equated functional difficulty" of the ongoing task.
In a final experiment, which equated task difficulty between spatial and non-spatial material (pattern identity) we again found a specific vigilance decrement when patients with neglect were required to sustain attention to spatial locations but not to non-spatial features (Experiment 3; Fig. 8).
Second, close examination of the studies that attempted to functionally equate ongoing task difficulty suggests that equating of ongoing task demands is difficult, if not impossible even, in laboratory conditions.
Thus, regardless of discipline, more cognitively demanding tasks do not necessarily equate to increased difficulty.
First, functionally equating ongoing task difficulty or demands appears difficult, if not impossible, by simply making an the ongoing task easier for older adults in some arbitrary way.
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