Jim Uttley

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Questions related from Jim Uttley

Is it reasonable to use half your dataset to carry out exploratory analysis leading to specific hypotheses, and then test these using the other half?

There is a clear distinction between exploratory and confirmatory research. In exploratory research, we explore our data to discover interesting trends or associations, perhaps by analysing it in...

07 July 2019 1,546 4 View

How does taking multiple measurements under the same condition affect experiment power and effect sizes?

In our research group we carry out psychophysics experiments that involve taking multiple measurements, e.g. reaction times or correct detections, under the same combination of variables. I...

08 August 2018 4,693 8 View