The phrase "alone variable" is not correct in standard written English.
It may be intended to describe a variable that stands alone or is independent, but it lacks clarity and proper context.
Example: "In this equation, the alone variable affects the outcome significantly."
Alternatives: "independent variable" or "isolated variable".
According to the above, the years spent in the destination country can be considered a stand-alone variable that allows us to inquire whether immigrants exploit an opportunity or face a state of necessity (Fregetto 2004; Volery 2007; Shinnar and Young 2008).
In fact, even the angry expressions alone were variable enough to classify her volunteers into families 75% of the time.Some of this family resemblance is certainly a consequence of similar muscular and skeletal structures underlying the face.
By monovariate Cox regression for prediction of dialysis alone, the variable "% of crescents" had a significant effect (p > 0.0001).
Early phototherapy trials for patients with AD compared combined UVA and UVB treatment against either modality alone, with variable results.
Early trials with EPO alone, reported variable results, which may have been due to limited availability of iron for hemoglobin formation [ 6- 8].
Mis-expression of individual genes alone had variable effects on viability of adult Act5C-GAL4/P{EP} offspranginganging from complete lethality to a significant increase (Table 2 and data not shown).
Models of plant species distribution and response to global change rely mostly on climatic variables alone, whereas soil variables are usually not taken into account.
The patients with involvement of both variables demonstrated a statistically significant worse prognosis (8.9 months) than either variable alone (EP alone = 20 months; DWMT alone = 18.9 months) or no infiltration at all (18.6 months) which demonstrated similar prognosis.
For the site descriptors alone, no variables were given Good estimation but several were given Fair, while digital photography alone gave Good estimation for exchangeable H and Fair for Loss on Ignition and C. A combination of site descriptors and colour photography gave Good estimation for four variables and Fair for another six.
If the study were focused on smoking or alcohol consumption alone, these variables would have stronger predictive power.
