01 Introduction to health research

NPTEL-NOC IITM20 minutes read

Health research involves various dimensions, planning is crucial in research to prevent issues and involve the right people, and ethical reviews are essential to ensure human subject protection. Sample size and quality are critical for study validity, and errors in research can be minimized through appropriate design and sample size.

Insights

  • Health research encompasses theoretical, applied, prevention, and therapeutic aspects, with bench research needing practical applications for human health.
  • Planning, involving the right people, and thorough reviews ensure the validity and protection of human subjects in research, with a focus on study variables, objectives, and research designs for accurate outcomes.

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Recent questions

  • What are the key terms in health research?

    Implementation and Translational Research are key terms.

  • Why is planning important in research?

    Planning is crucial to prevent issues and involve the right people.

  • What are the objectives of health research?

    Objectives include creating new information and establishing cause and effect relationships.

  • What are the different research designs in health research?

    Research designs can be qualitative or quantitative, observational or experimental.

  • Why are scientific and ethics reviews essential in health research?

    Scientific and ethics reviews ensure validity and protection of human subjects.

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Summary

00:00

Dimensions of Health Research: Planning, Implementation, Ethics

  • Health research has multiple dimensions, including theoretical, applied, prevention, and therapeutic aspects.
  • Bench research in laboratories must lead to practical applications for human health.
  • Research can be exploratory or confirmatory, with Implementation and Translational Research being key terms.
  • Planning is crucial in research to prevent issues and involve the right people.
  • Scientific and ethics reviews are essential to ensure the validity and protection of human subjects in research.
  • Regulatory reviews focus on foreign funding, sample shipments, and intellectual property protection.
  • Health research involves collecting data, designing appropriate instruments, and making evidence-based decisions.
  • Study variables in health research encompass various angles, including human hosts, environmental factors, and healthcare infrastructure.
  • Objectives of health research include creating new information, verifying existing data, and establishing cause and effect relationships.
  • Research designs can be qualitative or quantitative, observational or experimental, retrospective or prospective.

16:40

Essential Elements of Prospective Research Studies

  • Prospective studies focus on individuals at risk for a specific disease, involving a control group to compare outcomes over time.
  • Planning is crucial in research, requiring clear justification for the study due to the investments in money and manpower.
  • Standard and unambiguous case definitions for study variables are essential for accurate research outcomes.
  • Sample size and quality are critical for external validity and generalizability of study findings.
  • Errors in research, such as random errors and biases, can be minimized through appropriate study design and sample size.
  • Thorough literature research helps in predicting and addressing confounders and effect modifiers in research studies.
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