Methodologically, SANHANES-1 provides baseline data on a representative sample of the population for future analysis over the longer term (longitudinal design
of the survey), a policy approach initially adopted by the USA  (National Health and Nutrition Examination Survey (NHANES)) and more recently by other countries such as Canada  and China,  and in Europe.
If the study yields promising results, future trials could follow and expand into a larger cohort study to evaluate OncoCyte's PanC-Dx cancer markers in a case-controlled longitudinal design
The use of a longitudinal design
provided a means to determine the short- and long-term effect of the intervention.
Some papers feature longitudinal design
and some emphasize qualitative data.
Strengths of the study include its longitudinal design
, large sample size and inclusion of all three forms of intimate partner violence.
To address this issues, it is encouraged to conduct foster care studies though longitudinal design
(Orme & Buehler, 2001).
The longitudinal design
allowed us to address questions about both stability and change in civic attitudes and beliefs, with data gathered from the same individuals, using the same measures, at two data points.
This longitudinal design
addressed a gap in current research, by linking together antecedent life goals and motivations on entry to students' studies, to predict exit achievement scores, to provide information concerning optimising international students' engagement and learning.
A quasi experimental prospective and longitudinal design
was applied to patients, from Villa Copahue who approved the test in written form, over 18 years with a history of high respiratory pathology, pharyngitis, rhinitis, sinusitis, laryngitis and low respiratory pathology like bronchitis or pneumonia diagnosis, they should complete six days of treatments.
Using a longitudinal design
can decrease this artificially inflated relationship because there is a time gap between the TPB variables and the target behaviors (Elliott et al., 2003).
Finally, Erwin employs a longitudinal design
to link alumni self-ratings of personal growth with intellectual development.
(c) Longitudinal Design
I - repeated measures of ADL (Exhibit 3c):