longitudinal method

lon·gi·tu·di·nal meth·od

in developmental psychology, the study of the life span of one person involving comparisons of different age levels. Compare: cross-sectional method.
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Only the longitudinal method of study, in which serial measurements are made on the same subjects, can identify true age-related changes.
The long-term or longitudinal method requires a more elaborate set-up.
The research will address three complementary objectives: (1) to what degree can variations in ToM ability across the life-span be accounted for by changes in EF skills, (2) how do ToM ability and EF skill change over time in different age groups (using longitudinal methods, i.
The purpose of the present study was to examine mathematics growth using three different longitudinal methods for identifying the SWD subgroup and to contrast achievement outcomes from these methods with the results obtained when SWD membership is determined on an annual basis, as specified in NCLB.
Table 1 depicts the demographic characteristics for the SWD and non-SWD groups with the three longitudinal methods of identifying SWD.
Indeed, many EMA studies borrow assessment strategies from a well-established tradition of longitudinal methods, such as experience sampling, diary methods, and event-contingent responding (Csikszentmihalyi and Larson 1987; Nelson 1977), and use many of these methods in concert to assess phenomena of interest.
However, the distinctions between EMA and these other intensive longitudinal methods seem to be diminishing.
Longitudinal methods cut logs into flitches and record grade data and features from each flitch.
longitudinal linkage between ownership concentration and R&D spending has been analyzed differently across the studies; (2) the longitudinal methods used for investigating this subject are representative of the majority of those appearing elsewhere in management research; (3) the authors are clear
Event history analysis and other longitudinal methods highlight the exposures to risks related to migration.
His topics include reliability theory for survey measures, longitudinal methods for reliability estimation, attributes of respondents, and estimating reliability for categorical latent variables.

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