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Mx. Granger (talk | contribs) removing/replacing citations to WikiAnswers, which is not a reliable source |
I provided a bare-bones definition of a cross-sectional design and a reference of a study that uses it. There should really be more examples and better citations for the definition. |
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A '''cross-sequential''' [[Research design|design]] is a [[research]] method that combines both a [[Longitudinal study|longitudinal]] design and a [[Cross-sectional study|cross-sectional]] design. It aims to correct for some of the problems inherent in the cross-sectional and longitudinal designs.<ref>[http://www.webster.edu/~woolflm/methods/devresearchmethods.html Woolf, Linda M., "Developmental Research Methods" (undated), Webster.edu]</ref>
In a cross-sequential design (also called an "accelerated longitudinal" or "convergence" design), a researcher wants to study development over some large period of time within the lifespan. Rather than studying particular individuals across that whole period of time (e.g. 20-60 years) as in a longitudinal design, or multiple individuals of different ages at one time (e.g. 20, 25, 30, 35, 40, 45, 50, 55, and 60 years) as in a cross-sectional design, the researcher chooses a smaller time window (e.g. 20 years) to study multiple individuals of different starting ages. An example of a cross-sequential design is shown in the table below.
{| class="wikitable"
|-
! cohort !!colspan="3" | age
|-
| A || 20 || 25 || 30
|-
| B || 25 || 30 || 35
|-
| C || 30 || 35 || 40
|-
| D || 35 || 40 || 45
|-
| E || 40 || 45 || 50
|-
| F || 45 || 50 || 55
|-
| G || 50 || 55 || 60
|-
| year of measurment: || 2000 || 2005 || 2010
|}
In this table, over a span of 10 years, from 1990 to 2000, 7 overlapping cohorts with different starting ages could be studied to provide information on the whole span of development from ages 20 to 60.
This design has been used in studies to investigate career trajectories in academia<ref>[Beck, Karen, and Carlene Wilson. "Development of affective organizational commitment: A cross-sequential examination of change with tenure." Journal of Vocational Behavior 56.1 (2000): 114-136.]</ref> and other phenomena.
==References==
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