"is most appropriate when" is a perfectly acceptable, grammatically correct phrase that can be used in written English.
For example, "Using humor in a professional setting is most appropriate when it is relevant to the topic at hand and not simply a distraction."
Early removal is most appropriate when presidents were fraudulently elected.
Term insurance is most appropriate when the need for protection runs for only a limited period; whole life insurance is most appropriate when the protection need is permanent.
Coordination GAM is most appropriate when local relationships are extremely important and the need to standardize services across borders is relatively slight, which explains why many banks use this approach.
Using the glm models, we tested for significant variation among biotopes using the anova function in R with the F test, which is most appropriate when dispersion is estimated by moments as is the case with quasibinomial fits.
Based on the analysis, we conclude that DA is the best mechanism for totally decentralized scenario, TTC is most appropriate when cloud-based resources are used in an organizational scenario, and Munkres is the best mechanism when all resources are owned by a single agent.
The enrichment design is most appropriate when compelling preliminary evidence suggests treatment benefit in only certain marker-defined subgroups, the all-comers design is useful when preliminary evidence regarding treatment effects in marker subgroups is unclear, and adaptive designs have the most potential in the setting of multiple treatment options and multiple marker-defined subgroups.
End-state hybrids are most appropriate when the disruptive technology leaves an important performance dimension unsatisfied for a significant group of customers.
Niche hybrids are most appropriate when neither the old nor the new technology fully meets the needs of a significant group of customers but a combination of the two could.
Ratios of flexural stress to compressive stress greater than two indicate the dominance of flexural stresses and suggest that flexural properties may be most appropriate when designing liners to resist buckling.
Video CVs are a great opportunity to show your presentation skills and, according to Elizabeth Bacchus, career coach and founder of The Successful CV Company, they tend to be most appropriate when applying for creative or customer-facing roles in sales, media, marketing, PR and advertising.
