Validating survey instruments
After each round of the NLSY97, validation reinterviews are conducted with randomly selected respondents.
Validation data for many of the rounds are available to public users and offer opportunities for studying response variance, item reliability, and other methodological issues.
The PSEQ is conducted online only and takes 15 minutes or less to complete.
The survey instruments used in the AUSSE collect information on around 100 specific learning activities and conditions along with information on individual demographics and educational contexts.
The instruments contain items that map onto six student engagement scales: The instruments also contain items that map onto seven outcome measures.
Rather, they tend to focus at best on awareness campaigns i.e., posters and dispensing condoms .
In addition, the diversity of construction work makes it difficult to standardise or implement meaningful HIV interventions on construction sites.
Individuals with higher levels of correct knowledge about HIV/AIDS are far more likely to volunteer to be tested.