Fellowship Instructions for NIH and Other PHS Agencies - Forms Version F Series
F.430 - PHS Fellowship Supplemental Form
2. Approach
l Describe the overall strategy, methodology, and analyses to be used to accomplish the
specific aims of the project. Describe plans to address weaknesses in the rigor of the
prior research that serves as the key support for the proposed project. Describe the
experimental design and methods proposed and how they will achieve robust and
unbiased results. Unless addressed separately in the Resource Sharing Plan attachment,
include how the data will be collected, analyzed, and interpreted, as well as any resource
sharing plans, as appropriate. Resources and tools for rigorous experimental design can
be found at the Enhancing Reproducibility through Rigor and Transparency website.
l For trials that randomize groups or deliver interventions to groups, describe how your
methods for analysis and sample size are appropriate for your plans for participant
assignment and intervention delivery. These methods can include a group- or cluster-
randomized trial or an individually randomized group-treatment trial. Additional
information is available at the Research Methods Resources webpage.
l Discuss potential problems, alternative strategies, and benchmarks for success
anticipated to achieve the aims.
l If the project is in the early stages of development, describe any strategy to establish
feasibility, and address the management of any high risk aspects of the proposed work.
l Explain how relevant biological variables, such as sex, are factored into research designs
and analyses for studies in vertebrate animals and humans. For example, strong
justification from the scientific literature, preliminary data, or other relevant
considerations, must be provided for applications proposing to study only one sex. Refer
to NIH Guide Notice on Sex as a Biological Variable in NIH-funded Research for
additional information.
l Point out any procedures, situations, or materials that may be hazardous to personnel
and the precautions to be exercised. If applicable, a full discussion on the use of select
agents should appear in the Select Agent Research attachment below.
l If research on Human Embryonic Stem Cells (hESCs) is proposed, but an approved cell
line from the NIH hESC Registry cannot be chosen, provide a strong justification for why
an appropriate cell line cannot be chosen from the registry at this time.
l If you are proposing to gain clinical trial research experience (i.e., you will not be leading
an independent clinical trial), briefly describe your role on the clinical trial.
As applicable, also include the following information as part of the Research Strategy,
keeping within the two sections (Significance and Approach) listed above.
Preliminary Studies for New Applications:
For new applications, include information on preliminary studies (including data collected by
others in the lab), if any. Discuss the applicant's preliminary studies, data, and/or experience
pertinent to this application.
Progress Report for Renewal Applications:
Renewal applications for individual Fellowships are rare. You should consult with your
program official before preparing such an application.
Note that the Progress Report falls within the Research Strategy and is therefore included in
the page limits for the Research Strategy. If you are submitting a renewal application,
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