If you live with both anxiety and depression, the overlap is not unusual—both conditions often occur in the same person
Anxiety can feel like a smoke alarm reacting to toast as if a fire has started. The comparison fits worry ... Read…
CAADRIA
Cognitive, Affective And Developmental Research Insights Archive
Your mind is more interesting than the myths about it.
CAADRIA — the Cognitive, Affective And Developmental Research Insights Archive — turns real psychology research into guides you can test on yourself: self-checks, experiments and myth-busting you can feel working.
Predict the finding
In a famous study, people watched a basketball video while a person in a gorilla suit walked through the middle of the game. What share of viewers never noticed the gorilla?
0%
Roughly half of viewers missed the gorilla entirely (Simons & Chabris, 1999). Attention isn't a camera — it's a spotlight, and everything outside it can simply vanish.
Why your brain does this →The archive
Six rooms of the mind
Anxiety & stress
What worry is for, when it misfires, and evidence-based ways to work with it.
Memory & attention
Why you forget names, miss gorillas, and how to actually remember things.
Personality
The Big Five, what's stable, what changes, and what tests can really tell you.
Relationships
Attachment, conflict, connection — what the research says actually helps.
Sleep & habits
The science of rest, routine and behaviour change that sticks.
Biases & decisions
The predictable glitches in human judgement — and how to catch your own.
Myth lab
Guess before you flip
Fresh from the archive
All articles → 
If you’re dragging by week two of 6-hour nights, the fog is real, it’s counted, and it isn’t in your head
Here is the answer you came for: the tiredness you can’t shake is a real, measurable debt, and it builds ... Read…
If you keep having the fight that ends the same way every time, these 7 places your attachment style shows up are what’s really going on — and none of it means you’re broken
You keep having the same fight, and it keeps ending the same way. Maybe you go quiet and pull back. ... Read…
If you argued today about what someone said yesterday and lost sleep the night before, your doubt is well-placed — a 2014 study explains why
You lay awake most of the night. Now the day feels heavier, your temper is thin, and you half-doubt what ... Read…
People who shrink their own good news share this one fear long before anyone doubts them
You finished the hard thing early. Instead of relief, a small worry crept in. Will they think you rushed it? ... Read…
If you laughed at something ordinary after the loss and felt guilty, that guilt is common — and the reason it’s misplaced is more specific than kindness
You caught yourself laughing at something ordinary. Maybe you slept through the night, or noticed you were hungry, or felt ... Read…
How we work
Research first, hype never
Every claim on CAADRIA traces back to published research — and when studies disagree or fail to replicate, we say so. Interactive self-checks run entirely in your browser: your answers are never stored or sent anywhere.
- Claims cited to published studies
- Replication status flagged honestly
- Self-checks run in your browser only
- Educational content, clearly not therapy
Before you ask
Common questions
The short version: educational, evidence-based, and never a substitute for professional care. Details on the right.
What does CAADRIA stand for?
The Cognitive, Affective And Developmental Research Insights Archive — the three pillars of psychological science (thinking, feeling, growing) in one library.
Are the self-checks real psychological tests?
They are educational versions built on open, validated research instruments. They can show you patterns worth reflecting on, but they are not clinical assessments and cannot diagnose anything.
Do you store my quiz answers?
No. Interactive checks run entirely in your browser. Nothing you answer is stored on our servers or sent anywhere.
Is this a substitute for therapy?
No. CAADRIA is an educational publication. If you are struggling, a qualified mental-health professional is the right person to talk to.
CAADRIA is an independent psychology publication. Our content is educational and is not a substitute for professional mental-health advice, diagnosis or treatment. If you are struggling, please reach out to a qualified professional.