This refers to the way many researchers combinepluralismreliabilityvalidity different types of research method and data in order to check the combinepluralismreliabilityvalidity and combinepluralismreliabilityvalidity of their findings. For instance if observation and questionnaires combined produce contradictory findings then the combinepluralismreliabilityvalidity of the data has to be questioned and further research undertaken. Adopting a triangular approach to research should maximise the possibility of reliable and valid data. Combining different types of method and data is also referred to as methodological combinepluralismreliabilityvalidity.