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by BlastRoom
What an IQ score is, what makes a test good, and what the group-difference research shows.
#psychology
25 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
Use the IQ normal curve. About what percentage of scores fall between 85 and 115?
Use the IQ normal curve. About what percentage of scores fall between 100 and 115?
Use the IQ normal curve. About what percentage of scores fall between 70 and 130?
Use the IQ normal curve. About what percentage of scores fall between 115 and 130?
On the IQ normal curve, a score of 130 lies how far from the mean?
On the IQ normal curve, a score of 70 lies how far from the mean?
On the IQ normal curve, a score of 115 lies how far from the mean?
On the original IQ formula, a child with mental age 12 and chronological age 10 would have which IQ score?
Modern IQ tests usually report how a person's score compares with same-age norms. What average score is set by convention?
A school pilots a new reasoning test on a large, representative group before using it to interpret later scores. What is this process called?
A test manual says raw scores were converted using norms from teenagers across the country. What do those norms let a teacher do?
A scale reads 140 pounds every time for a person who actually weighs 165 pounds. The scale has which pattern?
Two graders score the same creativity test very differently even when using the same rubric. What test quality is weakest?
A vocabulary test gives nearly the same score when students retake it two weeks later, but it does not predict reading grades. What pattern does it show?
A driver's-license written test asks mostly obscure engine trivia and misses traffic laws. What kind of validity is weakest?
A college entrance test correlates strongly with first-year GPA. What evidence does that provide?
A final exam samples the material taught in a biology course. Is it an achievement test or an aptitude test?
An admissions test estimates who will succeed in a training program that has not started yet. Is it an achievement test or an aptitude test?
A history exam covers every unit in the syllabus in about the same proportions as instruction. Which validity is emphasized?
A reading test is judged by how well its scores forecast later performance in advanced English. Which validity is being tested?
Average IQ scores rose across many countries during the twentieth century, so tests had to be renormed. What is this pattern called?
Before a math test, students are reminded that their gender group is expected to do poorly, and their scores drop. What concept fits?
A report gives only the average IQ for two groups. Why can it not tell whether a person from either group scored high or low?
If a test has different predictive validity for two groups, what is the main fairness concern?
An old IQ test is given decades after its norms were collected. Because of the Flynn effect, how will today's students likely score compared with the old average of 100?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
Physical Development Across the Lifespan
20 questions
