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. Author manuscript; available in PMC: 2010 Dec 1.
Published in final edited form as: Psychol Aging. 2009 Dec;24(4):968–980. doi: 10.1037/a0017731

Table 7.

Description of task version, number-of-series, presentation of series, and lag for Experiment 1, 2 and 3.

Experiment 1
Task versions: Increasing load (5 items per series)
Constant load (16 items total)
Number-of-series: Single-series, double-series, triple-series
Presentation of series: By color and separate locations
Lag: 1 or 2 items between repeated stimuli within series
Domain: Verbal and visuo-spatial
Experiment 2
Task versions: Increasing load (8 items per series)
Number-of-series: Single-series, double-series
Presentation of series: By color and separate locations
Lag: 1 or 2 items between repeated stimuli within series
Domain: Verbal and visuo-spatial
Experiment 3
Task versions: Increasing load (6 items per series)
Number-of-series: Single-series, double-series, triple-series
Presentation of series: By color (single location presentation version) or color and location (separate location presentation version)
Lag: 1 item between repeated stimuli within series
Domain: Verbal