- Age and item sets differ.
- On speeded error-prone tasks, rushing can raise attempts and lower quality.
- Only as “I liked this toy.” Units differ.
- If everyone scores 16/16, the raw score stopped informing.
- No.
- Visual counting lite and category fluency lite both emit raw counts.
Why convert at all?
Age and item sets differ. A raw 10 can be typical at one age and low at another on a real battery. Práctica — no es un CI clínico.
Is a higher raw always better?
On speeded error-prone tasks, rushing can raise attempts and lower quality. Read the toy’s rule. Práctica — no es un CI clínico.
Can I compare raw scores across games?
Only as “I liked this toy.” Units differ. No joint metric. Práctica — no es un CI clínico.
Ceiling and floor?
If everyone scores 16/16, the raw score stopped informing. Our lites are short; ceilings happen. Práctica — no es un CI clínico.
Does computer scoring make it scaled?
No. Automatic counting is still raw unless a norm engine is documented. Práctica — no es un CI clínico.
What to try?
Visual counting lite and category fluency lite both emit raw counts. Enjoy the count. Do not file it as IQ. Práctica — no es un CI clínico.
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What is construct validity?
Construct validity is the argument that a score reflects a named idea — working memory, not “being clever in general.” It is built from theory, patterns of correlations, and failed rival explanations. A 20-trial number-Stroop lite can feel like control. Feeling is not a validity coefficient. This site never reports a licensed IQ. Práctica — no es un CI clínico.
What is construct validity? →What is criterion validity?
Criterion validity asks whether a score lines up with something you care about that is not the test itself — a later grade, a supervisor rating, or a Wechsler index. Concurrent means measured at the same time; predictive means later. A visual 2-back lite has no published criterion table. It is not an employment screen and not an IQ. Práctica — no es un CI clínico.
What is criterion validity? →What is content validity?
Content validity is whether the item set covers the skill or knowledge you claimed. A spelling test with only the letter Q is a coverage failure. Shape-span lite samples a tiny visuospatial sequence. It does not cover “all spatial intelligence.” Experts, blueprints and reviews build content arguments. A weekend hackathon does not. Práctica — no es un CI clínico.
What is content validity? →What is a confidence interval?
A 95% confidence interval is a procedure: if you repeated the study under the same model, 95% of such intervals would cover the parameter. It is not the probability that this one interval magically contains the truth after you saw it. Licensed IQ manuals turn a standard error into a range around a scaled score. Digit-span lite does not. Treat any integer from this site as a toy count. Práctica — no es un CI clínico.
What is a confidence interval? →What is item response theory?
Item response theory (IRT) models each item: harder items need more of the trait for a 50% chance of success; discriminating items separate nearby people. Computerized adaptive tests pick the next item from that model. Pattern-matrices lite is a fixed original set. It does not estimate a theta with published item parameters. It is not an IQ. Práctica — no es un CI clínico.
What is item response theory? →