Data Collection Services

Red Bar 2

Data collection services include research
consultation, survey and questionnaire
design, data collection and data processing.

Contact: Jan Larson
Survey Unit Manager
515-294-3451
jmlarson@iastate.edu

Research Consultation:
Research Consultation is available to investigators for defining study objectives, identifying study populations and sample design, developing survey instruments or evaluating appropriate survey methods.  Cost estimates are supplied upon request.

Survey & Questionnaire Design:
Project staff design materials, including survey instruments, focus group questions, cover letters and training materials. In addition, staff routinely review and provide feedback questionnaires prepared by clients.

Data Collection:
SRS has the staff and capacity to collect data in a variety of modes. The staff has significant experience in implementing complex data collection plans and in collecting multimode data. Data collecting methods include:

  • Computer Assisted Telephone Interviewing (CATI)
  • Computer Assisted Personal Interviewing (CAPI)
  • Audio Computer Assisted Self Interviewing (ACASI)
  • In-person interviewing with paper questionnaires
  • Video or audio behavioral assessments
  • In-school assessments
  • Cognitive interviewing
  • Mail Surveys
  • Web Surveys
  • Focus Groups

Data Processing:
Data processing services include both data coding and data entry with verification

Sample Management:
Staff have extensive experience in the development and maintenance of samples for longitudinal studies, clinical trials, and other types of research studies.

Confidentiality & Quality Control:
Confidentiality and quality control are a high priority at SRS. All research procedures are conducted with the utmost regard for accuracy and confidentiality. Telephone interviews are reviewed online through a silent monitoring system to ensure high data quality standards, interviews are edited for accuracy, and double-entry procedures are used in data processing.