Lesson 3 of 6 · Doing research
Run an experiment as a shared operation
8 minute lesson · 3 checks along the way
Your goal for this lessonTrace a research result through preparation, execution and records.
In this lesson 3 sections · 3 checks
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Read & understand
Research begins before the switch is pressed
An experiment needs a question, suitable equipment and a procedure that produces interpretable measurements. In a crewed laboratory, the experiment also competes for space, power, communications and crew time. A careful science plan can fail operationally if it assumes a resource that is unavailable when the measurement is needed.
International station research involves crews, investigators and ground teams. Ground facilities coordinate timelines and can monitor or operate equipment. The person visible in a photograph is an important participant, but a result often depends on contributions distributed across institutions and locations.
Check 1 of 3
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Read & understand
Preserve the conditions of the measurement
Imagine a fictional plant experiment comparing two lighting schedules. Temperature, watering, seed selection and measurement timing also need documentation. If the lighting changes alongside several unrecorded conditions, a later growth difference cannot cleanly answer the intended question.
An unexpected event does not necessarily make all data useless. Record what happened, when it occurred and which samples were affected. Analysts may separate periods, qualify an inference or design a follow-up. Quietly treating a changed procedure as if nothing happened destroys information needed to judge the evidence.
Hans Schlegel works with a fungi experiment in Spacelab D-2 aboard Columbia during STS-55 in 1993. The photograph documents laboratory activity; sample identities, settings and measurements are needed to interpret the research.
Look closely
Which additional records would connect this visible activity to a scientific result?
See what to notice
The sample labels, procedure, timing, instrument settings and data-quality records connect a laboratory action to interpretable measurements. A photograph alone does not supply the experiment’s outcome.
Check 2 of 3
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Read & understand
Completion is more than a checked box
Suppose twelve sample runs were planned. Ten produce valid measurements, one loses its timestamp and one is interrupted before completion. Reporting “twelve attempts, ten usable runs under the stated criteria” preserves the distinction. Reporting twelve equivalent results would conceal important differences.
The criteria for usability should be explained rather than invented to favor an expected answer. A complete research record connects , instrument configuration, timing, procedure deviations and the data product. The scientific value comes from what those records support, not simply from how many tasks the crew marked complete.
Check 3 of 3
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Put it together
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