We collected questionnaire data at three points in time.
Using settlement density maps at three points in time (1945, 1971 and 2001) dense and diffused urbanization trends were assessed and correlated with soil quality.
Data were collected at three points in time: immediately before the ultrasound scanning for fetal malformation, at 5 6 and 10 12 weeks after the prenatal ultrasound examination.
We supervised observations of more than 13,400 vehicles parked on a subset of dynamically priced and control blocks at three points in time during 2011 and 2012.
At three points in time during our experiments, we also ask our participants to provide additional information regarding the uncertainty about their expectations.
We then created a profile of all the industries in which each nation was internationally successful at three points in time: 1971, 1978, and 1985.
Seven German broiler fattening farms were each investigated at three points in time (3 36 h after restocking, 14 18 and 26 35 days after housing) during one fattening period.
"Then and Now: Changes in Child Care Staffing, 1994-2000," is the first longitudinal study based on observations of quality in the same child care centers at three points in time -1994 , 1996and 2000 - and confirms previous concerns about the instability of the child care workforce and its impact on the quality of center-based child care available to young children.
The researchers tracked each participant's weight (along with a number of other measures, including blood pressure, hemoglobin, waist circumference, physical activity, and home food environment) at three points in time: twelve months, twenty-four months, and thirty-six months after the start of the study.
We collected qualitative interview data from 26 participants selected as a convenience sample from the larger quantitative study at three points in time: pre-implementation, post-implementation, and one semester to 1 year post-implementation.
