The phrase "and valid method for" is correct and usable in written English.
It can be used when discussing a method that is both legitimate and effective for achieving a particular goal or outcome.
Example: "This research presents a reliable and valid method for assessing the effectiveness of educational interventions."
Alternatives: "and effective approach for" or "and legitimate technique for".
It is concluded that the occlusion technique seems to be a reliable and valid method for evaluating visual and dialogue aspects of in-car information systems.
Vertebral fracture assessment (VFA) was shown to be a patient-friendly and valid method for detecting undiagnosed VFs in (Dutch) women.
We have shown that our web-based cognitive test battery is a reliable and valid method for collecting cognitive data on children as young as 10 years old [27].
Retrospective data collection using electronic hospital dis3charge summaries represents a reliable, and valid method for collecting FCI comorbidity information.
25 A score ≥3 has been shown to provide a simple and valid method for predicting overall mortality.
Prostate brachytherapy has become a widely accepted and valid method for the treatment of localised prostate cancer.
Social-ecological "hotspots" represent valuable areas from both human and environmental perspectives but appropriate and valid methods for identifying such areas are under-developed.
In addition, the assessment of morphological properties from three-dimensional MRI measurements enables assessment of tissue changes at a macroscopic scale [ 46] which have been found to be reliable, responsive and valid methods for mapping the volumetric data of articular cartilage [ 47- 49].
The HADS has been used as a reliable and valid method of screening for depression in patients with cancer (Razavi et al, 1990; Hopwood et al, 1991; Patrick et al, 2003).
Developing accurate and valid methods of SB measurement is important for this growing area of research, both for epidemiological and intervention studies [ 40].
Nonetheless, both methods provide a suitable and statistically valid method for estimating the effect of the intervention and (in the case of ARIMA models) the details of the short term behaviour of the series after the intervention.
