Focus Test
Color-word interference.
Your best: No score yet
Start challengePerformance Lab category
Focus Challenges
Take short focus challenges for color interference, arithmetic, pattern matching and time estimation. Track private local personal bests.
Arithmetic Sprint
Solve 20 quick problems.
Your best: No score yet
Start challengePattern Match
Same-or-different patterns.
Your best: No score yet
Start challengeTime Estimation
Estimate 10 seconds.
Your best: No score yet
Start challengeChoose the right test
What to test in Focus
Focus challenges combine attention with timed decisions. The category includes color-word interference, mental arithmetic, pattern comparison, and internal time estimation, giving you several ways to practice staying accurate while working quickly.
Color Focus Test
Respond to ink color while ignoring conflicting words.
Arithmetic Speed Test
Solve short problems with mistake penalties.
Pattern Match
Make fast same-or-different visual decisions.
Time Estimation
Stop a hidden timer as close as possible to the target interval.
How to compare your results
Do not sacrifice accuracy just to move faster. Several focus challenges require a qualifying accuracy level or add mistake penalties, so controlled performance usually produces a more meaningful result.
All Ruth Performance Lab scores stay in local browser storage. These challenges are recreational personal-performance tools, not medical, psychological, educational, or employment assessments.
Compete against your own baseline
These challenges are designed for repeat play. Device, browser and input hardware can affect results, so the most useful comparison is your own score history on a consistent setup.
All scores are stored locally in your browser. They are recreational measures, not medical, psychological or diagnostic tests.
Category questions
Frequently asked questions
What kinds of focus challenges are included?
The lab includes color-word interference, arithmetic, pattern matching and time-estimation tasks.
Can I compare my focus score with other people?
The site is designed primarily for comparing your own repeated performance rather than ranking people against one another.
Do focus results leave my device?
No account is required and the Performance Lab stores challenge history locally in your browser.