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  2. Core-Plus Mathematics Project - Wikipedia

    en.wikipedia.org/wiki/Core-Plus_Mathematics_Project

    Core-Plus Mathematics, CCSS Edition. Core-Plus Mathematics is a high school mathematics program consisting of a four-year series of print and digital student textbooks and supporting materials for teachers, developed by the Core-Plus Mathematics Project (CPMP) at Western Michigan University, with funding from the National Science Foundation.

  3. Questionnaire construction - Wikipedia

    en.wikipedia.org/wiki/Questionnaire_construction

    Questionnaires are frequently used in quantitative marketing research and social research. They are a valuable method of collecting a wide range of information from a large number of individuals, often referred to as respondents. What is often referred to as "adequate questionnaire construction" is critical to the success of a survey.

  4. Same-sex marriage in Alaska - Wikipedia

    en.wikipedia.org/wiki/Same-sex_marriage_in_Alaska

    By 2005, this had increased to 1,644 couples, likely attributed to same-sex couples' growing willingness to disclose their partnerships on government surveys. Same-sex couples lived in all boroughs and census areas of the state, and constituted 0.9% of coupled households and 0.5% of all households in the state.

  5. Open-ended question - Wikipedia

    en.wikipedia.org/wiki/Open-ended_question

    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]

  6. Longitudinal study - Wikipedia

    en.wikipedia.org/wiki/Longitudinal_study

    Longitudinal study. A longitudinal study (or longitudinal survey, or panel study) is a research design that involves repeated observations of the same variables (e.g., people) over long periods of time (i.e., uses longitudinal data ). It is often a type of observational study, although it can also be structured as longitudinal randomized ...

  7. Travel survey - Wikipedia

    en.wikipedia.org/wiki/Travel_survey

    A travel survey (or travel diary or travel behavior inventory) is a survey of individual travel behavior.Most surveys collect information about an individual (socio-economic, demographic, etc.), their household (size, structure, relationships), and a diary of their journeys on a given day (their start and end location, start and end time, mode of travel, accompaniment and purpose of travel).

  8. Cluster sampling - Wikipedia

    en.wikipedia.org/wiki/Cluster_sampling

    One method is to sample clusters and then survey all elements in that cluster. Another method is a two-stage method of sampling a fixed proportion of units (be it 5% or 50%, or another number, depending on cost considerations) from within each of the selected clusters. Relying on the sample drawn from these options will yield an unbiased estimator.

  9. Multiple choice - Wikipedia

    en.wikipedia.org/wiki/Multiple_choice

    Multiple choice ( MC ), [1] objective response or MCQ (for multiple choice question) is a form of an objective assessment in which respondents are asked to select only correct answers from the choices offered as a list. The multiple choice format is most frequently used in educational testing, in market research, and in elections, when a person ...