Entry Exam Category: Graduate & Professional Program Admission Exams
Course: Praxis
Exam: Praxis Elementary Science 5005 Practice Test
Practice Question
Extract
Students investigated the effect of wingspan length on the flight of several toy gliders that had different wingspans. For each trial, they measure and the amount of time in the air using a stopwatch.
Which of the following was the dependent variable in this investigation?
Answer Choices
- A: The wingspan
- B: The flight distance
- C: The stopwatch
- D: The tape measure
Correct Answer: B
Rationale: DV measured: flight distance/time. A: IV manipulated. C,D: Tools. DV responds to IV.