HUMBEHV 2AP3 - Annotated Bibliographies

Annotated Bibliographies: Structure and Components

Core Components of an Annotated Bibliography

An annotated bibliography serves as a structured summary of research, typically encompassing several key sections:

  • Research Question: The overarching inquiry the study aims to address.

  • Hypothesis/Prediction: The proposed answer or specific outcome expected.

  • Methods: A summary of the approach and procedures used to conduct the study.

  • Result: The objective findings observed from the data.

  • Interpretation: The conclusions drawn from the results, directly addressing the research question.

Example: BNT162b2 mRNA Covid-19 Vaccine Study

To illustrate the components, a study published in The New England Journal of Medicine on December 31, 2020, titled "Safety and Efficacy of the BNT162b2 mRNA Covid-19 Vaccine" by Fernando P. Polack, M.D., Stephen J. Thomas, M.D., Nicholas Kitchin, M.D., and Judith Absalon, M.D., is used

Deconstructing Each Component

Research Question

This is the broad topic of interest and provides context for the study. It defines what the researchers are trying to understand or investigate.

  • Example: "How effective is the COVID-19 vaccine?"

Hypothesis/Prediction

This section outlines the theorized outcomes of the study.

  • Hypothesis: A theorized truth based on existing knowledge or evidence.

    • Example: "The new vaccine will provide protection against COVID-19 illness."

  • Prediction: A specific and testable statement defining the basic study setup and expected results.

    • Example: "The group that received the vaccine will have fewer cases of COVID-19 than the placebo group."

Methods

This provides a brief summary of the most critical methodological details necessary for understanding the study's design and execution.

  • Example from vaccine study: More than 40,000 participants were involved, and they were randomly assigned to either the vaccine group or a placebo group (receiving a saline injection).

Results

This section reports the main, objective findings of the study. It should focus on information most relevant to a broad audience.

  • Key principle: Report the main finding as an objective observation.

  • Example from vaccine study: There were 20 times more participants who contracted COVID-19 in the placebo group compared to the vaccinated group (8 cases in the treatment group vs. 162 cases in the placebo group; 8 imes 20 = 160). Depending on the research topic, additional results such as the number of severe cases, demographic differences in outcomes, or adverse effects may also be reported.

Interpretation

This section details what conclusions can be drawn given the results. It should directly answer the research question without restating the results.

  • Example from vaccine study: The BNT162b2 mRNA vaccine is effective in preventing COVID-19.

Interrelationships Between Components

  • The Result serves to check the accuracy of the Hypothesis/Prediction.

  • The Interpretation directly answers the Research Question.

Alternate Perspectives in Reporting

The way results are presented can significantly affect interpretation. For instance, if one were to focus on a single instance:

  • Result: 1 participant was infected with COVID-19 despite being vaccinated.

  • Interpretation: The BNT162b2 mRNA vaccine is not effective in preventing COVID-19.

This highlights the importance of comprehensive reporting and careful interpretation to avoid misleading conclusions. The potential for misunderstanding increases when results are taken out of context, making it essential to present a range of data to draw more accurate conclusions. For example, showing that out of thousands of vaccinated participants, the vast majority remained uninfected can provide a more balanced perspective on vaccine efficacy.