The phrase "mixture of methods" is correct and usable in written English.
You can use it when you want to describe a combination of different approaches, techniques, or strategies. For example, "My research took a mixed-methods approach, combining both quantitative and qualitative methods in a mixture of methods to reach a reliable conclusion."
In general, it is our opinion that the cause of science is best advanced by a mixture of methods, because, whatever one gains in robustness of causal inference by using experiments, one can sometimes lose in clinical verisimilitude.
He studies environment, culture, rural inequality, social movements, and elites using a mixture of methods from large-scale computational text analysis, qualitative & ethnographic fieldwork, network science, and machine learning.
To assist with their conceptual model development, the authors study a phreatic system and apply a mixture of methods traditional and novel to karst studies, including electrical resistivity imaging, well drilling, instantaneous velocimetry, dye tracing, stage recording, discrete and continuous sediment and water quality sampling, and elemental and stable carbon isotope fingerprinting.
While formal methods form a part of many methodologies, modern software development uses a rich mixture of methods and techniques.
Futures research was now aimed at integrating systems analysis and modelling into a mixture of methods under the banner of a reflected, socially-orientated understanding of the "discipline".
However, the authors recognised that a mixture of methods can present new findings; thus, the survey was followed by semi-structured interviews to draw out some of the nuances of the responses.
A mixture of method and madness.
Methods of proof involve a mixture of variational methods (entropy minimization) and fixed point theory; Hilbert′s projective metric also plays a useful role.
Participants who answered on brewing method version of the questionnaire were divided into two subgroups: those who consumed coffee prepared by only one brewing method (boiled, filtered, or instant) and those who used a mixture of brewing methods.
However, the complex mixture of assessment methods in the different subjects makes it unlikely that a single assessment method can be viewed as contributory to the relationship between specific facial affect recognition abilities and academic performance in that subject.
These studies, although nicely laid out in OmniGraffle, are not that formal, I hacked mine together using a mixture of previous methods and recent influences so I'd really encourage you, if creating your own, to experiment with the boundaries.
