In Global Context: Mental Health Study
Indiana University . Bloomington . Indiana
Philippines Sample Design
Social Weather Surveys
which the Mental Stigma Module will be implemented)
Social Weather Surveys divides the
the four study areas are covered simultaneously within two calendar weeks.
Fieldwork is usually implemented in the 2nd month of a
survey has as respondents randomly-chosen Filipino voting-age adults, 18
years old and above.
Sizes and Error Margins. Each
of the study area has a sample size of 300, for a total sample size of
1,200 Filipino voting-age adults for a error margin of +/- 2.83% at the
95% confidence level, assuming a simple random sampling design.
yield representative figures at the national level, census-based
population weights are applied to the survey data. The weight projection
is computed by dividing the projected population in the area by the sample
size of the same area. Appropriate
projected factors are applied so that original population proportion are
reflected in the data tables using this formula.
No. of Interview
1022 E. Third Street, Bloomington, IN 47405 (812) 855-3841