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| a set of propositions that attempt to specify the interrelationships among a set of constructs. |
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| studies basic life events in a population, such as patterns of births, marriages, etc... |
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| examines the nature of the relationship between two measured variables |
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| research assigns participants to conditions and manipulates at least on IV. |
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| Quasiexperimental Research |
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| participants cannot be assigned to conditions or manipulate the IV |
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| The practice of using many different research approaches to address a particular question. |
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| The practice of relying on observation to draw conclusions about the world. |
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| a measure of variability that is equal to the square root in the variance |
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| the portion of the total variance in a set of scores that is related in an orderly, predictable fashion to the variables the researcher is investigating. |
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| that portion of the total variance in a set of data thatremains unaccounted for after systematic variance is removed; variance is unrelated to the variables under investigation in the study. |
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| The strength of the relationship between two or more variables. |
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Definition
| a statistical procedure used to analyze and intergrate the results of many individual studies on a single topic. |
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| a measure on which the numbers assigned to participants' characteristics are merely labels, gender is an example of this. |
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| measures which number assigned to participants' responses reflect the rank order of participants from highest to lowest. |
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| the consistency of respondents' scores on a measure across time |
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Definition
| the consistency of respondents' responses on a set of conceptually related times |
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| the degree to which the observations of two independent observers agree |
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Definition
| the dependability of a measurement technique |
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| how well it measures what it is intended to measure |
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| the degree to which a measure of a particular construct measure of other constructs |
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Definition
| a survey design in which a group of respondents is studied at once |
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| Successive independent samples survey design |
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Definition
| a survey deisign in which different samples of participants are studies at differnet times |
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Definition
| a single group is studied over a long period of time |
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Definition
| studies occurrence of disease in different groups of people |
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| a sample from which one can draw accurate, unbiased estimates the characteristics of a larger population |
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Definition
| every possible sample of the desired size has the same chance of being selected from the population |
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| Stratified random sampling |
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Definition
| the population is divided into strata, then the participants are selected from each group. |
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| a sample selected to include specified proportions of certain types of certain kinds of participants. |
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Definition
| a sample selected based on who the researcher thinks is "best" for research purposes |
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