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  2. Closed-ended question - Wikipedia

    en.wikipedia.org/wiki/Closed-ended_question

    A closed-ended question is any question for which a researcher provides research participants with options from which to choose a response. [1] Closed-ended questions are sometimes phrased as a statement that requires a response. A closed-ended question contrasts with an open-ended question, which cannot easily be answered with specific ...

  3. Multiple choice - Wikipedia

    en.wikipedia.org/wiki/Multiple_choice

    (The correct answers are B, C and A respectively.) A well written multiple-choice question avoids obviously wrong or implausible distractors (such as the non-Indian city of Detroit being included in the third example), so that the question makes sense when read with each of the distractors as well as with the correct answer.

  4. List of unsolved problems in biology - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Homochirality is an obvious characteristic of life on Earth, yet extraterrestrial samples contain largely racemic compounds. [7] It is not known whether homochirality existed before life, whether the building blocks of life must have this particular chirality, or whether life must be homochiral at all.

  5. Double-barreled question - Wikipedia

    en.wikipedia.org/wiki/Double-barreled_question

    [2] [3] [4] This may result in inaccuracies in the attitudes being measured for the question, as the respondent can answer only one of the two questions, and cannot indicate which one is being answered. [5] Many double-barreled questions can be detected by the existence of the grammatical conjunction "and" in them.

  6. Yes–no question - Wikipedia

    en.wikipedia.org/wiki/Yes–no_question

    According to Grimes, the answer "yes" asserts a positive answer and the answer "no" asserts a negative answer, irrespective of the form of the question. [2] However, simple "yes" or "no" word sentence answers to yes–no questions can be ambiguous in English. For example, a "yes" response to the question "You didn't commit the crime?"

  7. Open-ended question - Wikipedia

    en.wikipedia.org/wiki/Open-ended_question

    An open-ended question is a question that cannot be answered with a "yes" or "no" response, or with a static response. Open-ended questions are phrased as a statement which requires a longer answer. They can be compared to closed questions which demand a “yes”/“no” or short answer. [1]

  8. After years of infertility, I was finally pregnant. Then ...

    www.aol.com/years-infertility-finally-pregnant...

    In Iowa, 823 babies born in 2021 were conceived through fertility treatments, representing about 2.2 percent of the state’s 36,835 total births. Nearly 10 percent of married women ages 15 to 49 ...

  9. Biology - Wikipedia

    en.wikipedia.org/wiki/Biology

    Biology is the scientific study of life. [1] [2] [3] It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. [1] [2] [3] For instance, all organisms are made up of at least one cell that processes hereditary information encoded in genes, which