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1) means repeating a study and checking to see if the same results occur each time.
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| What are the two pillars of science? |
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| A sCIENTIFIC UNDERSTANDING OF THE WORLd must: |
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Make SEnse
Correspond with what we observe
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1) is a systematic explanation for the observations that relate to a particular aspect of life.
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| are characteristics or qualities that describe an object. |
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| are logical groupings of attributes. |
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1) is a model or framework for observation and understanding which shapes what we see and how we understand it.
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| is a specified testable expectation about reality that follows from a more general proposition |
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| looking at the world and making measurements of what is seen |
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| that subjects must base voluntary participation in research projects on a full understanding of the possible risks involved |
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| when neither the researchers nor the readers of the findings can identify a given response with a given respondent. |
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1) when the researcher can identify a given persons responses but promises not to do so publicly.
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1) studies answer questions of what, where, when, and how.
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| studies address questions of why |
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| a coincidental statistical correlation between two variables, shown to be caused by some 3rd variable.u |
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1) represents a condition that must be present for the effect to follow.
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| guarantees the effect in question |
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1) involves observations of a sample of a population or phenomenon that are made at one point in time.
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1) is designed to permit observations of the same phenomenon over an extended period.
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1) a type of longitudinal study that examines changes within a population over time.
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1) examines specific subpopulations as they change over time.
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| examines the same set of people each time. |
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| Variables whose attributes have only the characteristic of exhaustiveness and mutual exclusiveness are |
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| Variables with attributes we can logically rank order ar |
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| A LeveL of Measurement describing a variable whose attributes are rank ordered and have equal distances between adjacent attributes is aN |
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| What are the 4 main steps in the construction of an index? |
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Select possible items
Examine Relationships
Score the index
Validate it
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| When researchers want precise, statistical descriptions of large populations they use |
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| is that unit about which information is collected and that provides the basis of analysis |
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1) means each element has an equal chance of selection, independent of any other event in the selection process.
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1) the estimated probability that a population parameter lies within a given confidence interval.
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1) a type of probability sampling in which the units composing a population are assigned numbers, after which a set of random numbers are generated and the units having those numbers are included in the sample.
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| a type of probability sampling in which every Kth unit in a list is selected for inclusion in the sample. |
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1) a type of sampling that may be used when it is either impossible or impractical to compile an exhaustive list of the elements composing the target population.
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