The phrase "actually differ" is correct and usable in written English.
It can be used when discussing differences between two or more things, often to clarify or emphasize a point.
Example: "While many people believe that cats and dogs are similar, they actually differ in their social behaviors and communication styles."
Alternatives: "truly differ" or "really differ".
A more interesting question is to assess if the recommendations among guidelines produced by different methods actually differ.
But particles actually differ, notably by having different masses.
The concept of actual difference making applies in the context of an actual population containing entities that actually differ with respect to some property.
This will allow investigators to confirm the accuracy of self-reported survey data, to ensure that those in different physical activity groups actually differ in their types and/or levels of activity, and to confirm that participants' physical activity patterns remain consistent over the course of the study.
It remains unclear whether different lineages within the Acariformes actually differ in the likelihood that they will experience rearrangements within a given period of time, or if this is simply the amount of variation among lineages that we should expect to see when considering the accumulation of low-frequency events.
It is also important to confirm that the FSC/SSC profiles of the 2 sorted populations are not different; this could indicate that the sorted cells actually differ in their size making it look like there are differences in flux that do not actually exist.
Hence, in addition to the likelihood ratio test, we explored how much the within- and between-population covariance matrices actually differed relative to the differences between the population covariance matrices.
When this principle is used to explain an actual hereditary pattern, it is applied to genes that actually differed in the population exhibiting the pattern (often an experimental population).
Meanwhile, immigration advocates have sued to obtain more details how the PEP program actually differs from its predecessor.
However, the shape of the observed sudden brightening actually differs between the two image types.
This time actually differs according to the protocol scope and HO techniques.
