alleryIn an ideal experiment, how many variables are left uncontrolled?
AMost of them
BExactly one
CRoughly half
DNone at all
Answer & Solution
Correct answer: D. None at all
1. Ideally every variable is accounted for by control measurements.
2. So none are left uncontrolled.
3. Leaving one, half or most uncontrolled would make results hard to trust.
_Source: Wikipedia, Experiment, lead section_
Keep practising Observation, Experiment, Discovery (Method of Science)
Browse all Observation, Experiment, Discovery (Method of Science) questions for CTET, or explore more Science Pedagogy topics.
Related questions
Students with math disabilities need which style of instruction, per Fuchs et al.?How should a teacher respond to students' own ideas in discovery tasks?Which classroom culture helps discovery learning succeed?How does discovery learning help student motivation?Which learning theorists support discovery learning along with Bruner?In pure discovery learning, how much help does the learner receive?Free exploration of a complex setting can overload which part of beginners' memory?For which tasks is direct instruction efficient compared with discovery?