Free Attention
and Focus Test
Measure your ability to sustain attention, maintain focus under distraction and selectively attend to relevant information. 40 questions in 12 minutes. Instant results. No account needed.
Start the Timed Test — FreeThe core definition
Attention is the cognitive process of selectively focusing on relevant information while filtering out irrelevant information. It is distinct from general intelligence — you can be highly intelligent and have poor attention control, or have average reasoning ability with exceptional attention capacity. Attention comprises several separable components: sustained attention (maintaining focus over time on a single task), selective attention (filtering relevant from irrelevant information in the presence of distractors), divided attention (allocating cognitive resources across multiple simultaneous tasks) and attentional switching (rapidly shifting focus between tasks). The classic measure of sustained attention is the Continuous Performance Test (CPT), in which participants watch a stream of stimuli and respond to a target stimulus while ignoring non-target stimuli — exactly the format this test uses. Attention is not about being generally "focused" — it is about the capacity to allocate cognitive resources precisely where they are needed and maintain that allocation despite competing demands.
Attention capacity is one of the strongest predictors of academic and professional success — more predictive than IQ in many contexts because it determines whether you can actually apply your intelligence to a task. It is also one of the most sensitive cognitive functions to sleep deprivation, stress, ADHD, anxiety and neurological conditions. This test measures three core dimensions of attention: sustained attention (maintaining focus over 12 minutes), selective attention (filtering distractors) and attentional efficiency (speed and accuracy combined).
Sustained Attention
Maintaining focus on a task over extended time — the core measure of attention capacity.
Selective Attention
Filtering relevant information while ignoring distractors.
Attentional Efficiency
Combining speed and accuracy in focused performance.
Sustained attention
Maintain focus on target detection across 40 items presented over 12 minutes — the classic measure of attentional capacity.
Selective attention
Filter target items from distractors and irrelevant information. Measures ability to ignore noise and focus selectively.
Attentional efficiency
Combine accuracy and speed under realistic demands. High efficiency means both quick and accurate responses.
Attention capacity predicts academic achievement above and beyond IQ. Longitudinal studies show that sustained attention in childhood predicts high school and university performance more reliably than IQ tests. This is because intelligence without the ability to focus is unrealised potential — you cannot apply reasoning skills if you cannot maintain attention on the task at hand. Attention is particularly predictive of reading comprehension, mathematical reasoning and performance in complex problem-solving.
Attention is highly sensitive to sleep deprivation, stress and cognitive load. A single night of sleep loss reduces sustained attention by 20–40% and increases error rates dramatically. Chronic stress elevates cortisol and impairs prefrontal function, which is the neural basis of attention control. High cognitive load — having too many simultaneous demands — depletes attentional resources and produces what researchers call "attention residue," where your focus lingers on one task even after you switch to another.
Attention varies across the lifespan but can be trained. Sustained attention peaks in late adolescence and early adulthood and declines gradually with age. However, attention is more trainable than reasoning ability — meditation, attention training, reducing distractions and improving sleep all measurably strengthen attention capacity. ADHD involves impairment in attention regulation, not low intelligence, and cognitive interventions targeting attention control are effective treatments.
40 questions in 12 minutes. Focus on identifying the target item or correct response while filtering distractors. Both accuracy and consistency matter. This test measures sustained attention under real-world time pressure.
Ready to begin?
This is a timed sustained attention test. You have 12 minutes to work through 40 questions. Focus carefully — both accuracy and maintaining attention throughout matter.
⏱ Time's up!
12 minutes have elapsed. Your attention score is based on accuracy maintained throughout the test period. This reflects your true sustained attention capacity under realistic demands.