Scientific Method quiz

More questions about Scientific Method

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

1. 1 Easy

   How did 54 tasters describe white wine dyed red in a 2001 test?

   Answer: Like a red wine

   Why: The red dye had no smell, so sight alone changed how the wine seemed to smell.

2. 2 Medium

   Which trial hides who gets the real drug from patients and doctors?

   Answer: Double-blind

   Why: In a single-blind trial only the patients are kept in the dark, so the doctors' expectations can still sway results.

3. 3 Hard

   What share of 100 psychology studies held up in a 2015 retest?

   Answer: 36%

   Why: Even where effects did reappear, they were on average about half as big as first reported.

4. 4 Easy

   Which bias makes us remember a psychic's hits but not the misses?

   Answer: Confirmation bias

   Why: When a psychic reading's transcript was compared with the client's memory of it, the client recalled mostly the hits.

5. 5 Medium

   Which bias comes from studying only the bombers that made it home?

   Answer: Survivorship bias

   Why: Holes on returning bombers show where a plane could be hit and still fly home, so the missing hits mark the deadly spots.

6. 6 Hard

   How many of 8 planted errors did a journal's reviewers typically spot?

   Answer: 2

   Why: No reviewer found more than five of the errors, and one in five spotted none at all.