Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a experimental schedule
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a experimental schedule" is not correct in written English.
It should be "an experimental schedule" because "experimental" begins with a vowel sound. Example: "The researchers created an experimental schedule to test the new drug's effectiveness."
⚠ May contain grammatical issues
Science
Science & Research
Formal & Business
Alternative expressions(2)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
4 human-written examples
(a) Experimental schedule.
Science & Research
(A ) Experimental schedule.
Science
(A ) Experimental schedule for single unit recording.
Science
Visual stimulation during locomotion enhances recovery of cortical responses through the deprived eye after prolonged MD. (A ) Experimental schedule to examine changes in visual cortical responses over 21d-BV following prolonged MD started at postnatal day (P) 22 24.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Design of Experiments (DOE) was used to generate an experimental schedule upon which the process parameters were varied and the corresponding energy consumption and quality responses were recorded.
Other important factor in order to design an experimental schedule is the time needed between two consecutive holograms.
Science
(a) The experimental schedule was represented.
Science & Research
Simulations have shown that a simplified experimental schedule and setup may be used to obtain the same informations about the compounds' mobility.
Science
Dry sliding wear trials are conducted following a well planned experimental schedule based on design of experiments (DOE).
The specific design of thermomechanical schedule with varying of strain and temperature values affected multiphase structure development in TRIP bulk steel and yielded in good combination of high tensile strength over 900 MPa and elongation over 20% nearly at all experimental schedules.
Due to the paucity of published phase I data on the 3-weekly experimental schedule used, an early safety analysis was planned.
Science
Expert writing Tips
Best practice
Always use the article "an" instead of "a" before words that begin with a vowel sound like "experimental". Consider using more specific terms like "study protocol" or "research design" for clarity.
Common error
Avoid using "a" before words starting with a vowel sound. Using "a experimental schedule" is grammatically incorrect; the correct form is "an experimental schedule".
Source & Trust
80%
Authority and reliability
3.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a experimental schedule" functions as a noun phrase intended to specify a plan for conducting an experiment. However, Ludwig AI indicates it is grammatically incorrect due to the improper use of the article "a" before a word starting with a vowel sound.
Frequent in
Science
33%
Science & Research
33%
Formal & Business
33%
Less common in
News & Media
0%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, while the phrase "a experimental schedule" seeks to define a plan for conducting experiments, it's grammatically flawed. Ludwig AI flags it as incorrect, advising the use of "an experimental schedule" instead. Despite its presence in scientific literature, correctness should be prioritized. Alternatives like "a trial protocol" or "a test plan" may offer greater clarity. To reiterate, always use "an" before words starting with a vowel sound. The phrase has a rare usage, mainly restricted to scientific sources. Keep this in mind to ensure accurate and clear communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
An experimental schedule
Corrects the grammatical error by using the article "an" before the vowel sound in "experimental".
A trial protocol
Replaces "experimental schedule" with "trial protocol" using synonyms for both words.
A test plan
Replaces "experimental schedule" with "test plan" using synonyms and simplifying the concept.
A research timeline
Substitutes "experimental schedule" with "research timeline", emphasizing the time aspect of the schedule.
A study design
Replaces "experimental schedule" with "study design", highlighting the overall structure of the experiment.
An investigation plan
Uses "investigation plan" instead of "experimental schedule", which broadens the concept slightly.
A planned experiment
Rephrases the original using "planned experiment" to shift the focus.
A set of procedures
Replaces the original query with "set of procedures", generalizing the idea.
A schedule for testing
Rephrases the original query with a slightly different structure.
The experimental procedure
Uses "the experimental procedure" instead of "a experimental schedule" focusing on process.
FAQs
What is the correct way to say "a experimental schedule"?
The grammatically correct phrase is "an experimental schedule". The article "an" is used before words that begin with a vowel sound.
Are there alternatives to "an experimental schedule"?
Yes, you can use alternatives such as "a test schedule", "a trial protocol", or "a research timeline" depending on the specific context.
When should I use "an experimental schedule"?
Use "an experimental schedule" when referring to a planned sequence of actions designed to test a hypothesis or investigate a phenomenon in a controlled setting, especially in scientific or research contexts.
What's the difference between "an experimental schedule" and "a study design"?
While both relate to planning research, "an experimental schedule" focuses on the timing and sequence of steps, whereas "a study design" encompasses the broader methodological framework, including variables, controls, and data analysis.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
80%
Authority and reliability
3.5/5
Expert rating
Real-world application tested