Does Target Object Processing Affect Reaction Times in Simple Detection Spatial Cueing Tasks?

The current study tested the effect of varying target type and target set size during simple detection versions of Posner's exogenous spatial cueing task. The four target conditions consisted of a single letter, a single number, one of four possible letters, or one of four possible numbers. Responses were faster for numbers than for letters, but only when the cue-target lag was short, the target set included more than one potential number, and the cue and target appeared in different locations.

A meta-analysis of the 2004 campaign polls: an analogy to practice and publication in psychology.

The current practice of relying on single sample null hypothesis tests is being re-evaluated in the behavioral sciences. To highlight the issues raised by both sides of this discussion, a meta-analysis of The Gallup Organization's most recent U.S.