Conflict and interference tasks¶

A task-relevant feature must be reported while a task-irrelevant feature of the same stimulus or of a distractor pulls toward a competing response; the cost on incongruent trials is the measure.

This family contains 8 tasks.

Emotional Stroop ¶

Color-naming of emotionally valenced words; RT slowing on threat-related words indexes attentional bias to affective content. Engages 5 processes.

Eriksen Flanker ¶

A central target flanked by congruent or incongruent distractors; RT and error differences index selective attention and conflict resolution. Engages 5 processes.

Execute an instructed finger movement while observing a congruent or incongruent action performed by another person; the congruency effect (faster responses on congruent trials) indexes automatic imitation and the cost of inhibiting observed-action representations. Engages 3 processes.

Implicit Association ¶

Speeded categorization of stimuli belonging to two target concepts and two evaluative attributes using shared response keys; congruence-condition RT difference indexes implicit association. Engages 6 processes.

Navon ¶

Hierarchical letters in which large letters are composed of small ones; RT differences between global and local identification index attentional scope. Engages 4 processes.

Simon ¶

Non-spatial feature (e.g. color) dictates a left/right response while task-irrelevant stimulus location varies; RT cost on incongruent trials indexes spatial response conflict. Engages 5 processes.

Stroop Color-Word ¶

Naming the ink color of color words while ignoring word meaning; RT and error costs on incongruent trials index selective attention and conflict control. Engages 6 processes.

Weapons Identification ¶

Speeded categorization of tools vs weapons primed by faces of varying race; congruence effects index implicit racial bias in perception. Engages 6 processes.

Marked for review¶

The filing of these tasks is a judgement call; the note says why they are here and where else they could go.

Task	Note
Navon	Global-local interference; could be filed under perceptual judgment
Weapons Identification	Race prime creates a congruence effect on categorization; could be filed under social cognition