Para Jumble practice question for SSC. Review the correct answer and explanation, then continue with related practice below.
Arrange the following sentences in the correct order. A. The missing observations are therefore not random, which can distort the final estimate. B. Long-term studies often lose some participants before the research is completed. C. Participants experiencing worse outcomes may be more likely to drop out than those doing well. D. Researchers must consequently investigate whether attrition is systematically related to the outcome being studied.
Correct Answerसही उत्तर
A. BCAD
Explanationव्याख्या
(English): B introduces participant attrition.
C explains selective dropout.
A states why missing data become biased.
D gives the research requirement.
Overall Meaning: Dropout can bias a study when those who leave differ systematically from those who remain.
व्याख्या (Hindi): B long-term studies में participants के बीच में छोड़ने की बात करता है।
C बताता है कि खराब outcome वाले लोग अधिक dropout कर सकते हैं।
A missing data के non-random होने की बात करता है और D attrition bias की जाँच का निष्कर्ष देता है।
समग्र अर्थ:
यदि study छोड़ने वाले लोग बाकी participants से व्यवस्थित रूप से अलग हों तो परिणाम पक्षपाती हो सकते हैं।
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