What problem does it solve?
Expert visual search experiments require precise display, timing, and randomization constraints to avoid crowding, prevalence biases, and unreliable search slope estimates; this skill lays out validated defaults so researchers can design arrays that respect literature-backed limits without guesswork.
Core Features & Use Cases
- Display and timing guardrails: Specifies eccentricity, spacing, set size selection, timing windows, and target prevalence tips to keep arrays psychophysically valid.
- Feature similarity control: Guides color, orientation, and size thresholds while balancing target-distractor heterogeneity and referencing Duncan & Humphreys, Nagy & Sanchez, and Wolfe benchmarks.
- Trial structuring and randomization: Recommends practice trials, trial counts, counterbalancing, and placement algorithms with crowding-safe spacing so you can implement predictable search slope assays.
- Use Case: Configure a conjunction search experiment with set sizes {4,8,12,16,20}, ensure target-absent runs match target-present runs, and verify response deadlines and ITIs align with the published guidelines.
Quick Start
Request a validated visual search array configuration by specifying set sizes, spacing, target-distractor similarity, and randomization constraints.