Hard

____________ to see the differences caused in the second variable is a part of experimental?

Correct answer: C. Manipulation

  • A. single Manipulation
  • B. double Manipulation
  • C. Manipulation
  • D. None of these

Explanation

Experimental research involves manipulation of an independent variable and observation of the resulting differences in another variable. The general term “manipulation” is correct; “single” and “double” are unnecessary restrictions here.

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Assessment gathers evidence of learning, while evaluation uses that evidence to judge achievement, teaching or a programme. Coverage includes formative and summative assessment, diagnostic and placement tests, validity, reliability, objectivity, scoring, grading, feedback, and norm-referenced versus criterion-referenced interpretation. Measurement supplies numerical results, but evaluation involves a broader judgement.

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