Lab 1 Review

Question 1

does qualitative or quantitative make better scientific question?

Answer 1

-quantitative

Question 2

how can you tell if it’s a scientific question?

Answer 2

• if its testable/measurable by observations
• CANNOT have “best, better, worse”
• CAN have “less, more”

Question 3

can a hypothesis be a statement or a question?

Answer 3

-statement only

Question 4

independent variable and example

Answer 4

• thing you’re testing
• “manipulated variable”
• i.e. weight/size of people

Question 5

dependent variable and example

Answer 5

• thing you’re measuring

- i.e. height jumped from pole vaulters, rate, speed

Question 6

standardized variable

Answer 6

• things within the experiment that have to remain the same btwn all test runs
• i.e. weather, clothing, surface needs to be kept the same throughout the experiment

Question 7

control variable

Answer 7

-when one test run of the experiment stays neutral

Question 8

what makes the best sample size?

Answer 8

• more diverse (from more than one population)
• inc. amount of individuals
• this makes a more natural variation