We use an experiment based on
the Relationship Dynamics and Social Life (RDSL) study of sexual behavior, pregnancy, and contraceptive use to investigate
whether participation in weekly self-reports over one year result in
differential effects on related behaviors and attitudes, compared to
participation in a one-time follow-up interview requiring retrospective
self-reporting for the prior year.
We randomly assigned 200 subjects to either
a control group or a journal group. All subjects were interviewed at the
beginning of the study (baseline interview) and 12 months later (closeout
interview). Subjects in the journal group also completed a five-minute web- or
phone-based survey every week during the 12-month study period.
We found no
statistically significant difference in pregnancy rates across the two groups
at closeout. Contrary to our expectation, the control group experienced a
slightly larger increase in having ever used a contraceptive method, although
this was mainly due to increases in the least effective methods, such as
condoms and withdrawal.
Respondents in the weekly interview group became
slightly more positive toward childbearing in terms of one specific attitude
measure, but not for the vast majority of measures.
We conclude that intensive
longitudinal data collection does not appear to have a large or consistent
impact on respondents' pregnancy, contraceptive use, or related attitudes,
relative to the more standard longitudinal approach.
Purchase full article at:
By:
- 1Institute for Social Research (http://home.isr.umich.edu/), University of Michigan, Ann Arbor, MI USA.
- Int J Soc Res Methodol. 2016 Mar 1;19(2):205-222. Epub 2014 Dec 1.
More at: https://twitter.com/hiv insight
More about graph: http://goo.gl/WbSQSl
No comments:
Post a Comment