Reliability, validity and bias PDF

Preview

Summary

My lectures notes and additional learning materials from my Research Methods Module I completed as part of my BSC Adult Nursing 2014-2017....

Description

Reliability, validity and bias Reliability – It will do the same thing every time Research method should yield the same results every time it is used If reliability is high, the same results will occur no matter the location of study (UK vs USA) Reliable methodology Validity – valid if it does what it claims to do If a study claims to measure anxiety then should measure anxiety - if it doesn’t then is not valid Degree to which accurately represents the reality it is claiming to represent

Systematic bias – Something that is wrong with the research methodology Results bias/inaccurate throughout Intermittent Bias - Bias only shows in results from time to time Results will be distorted sometimes (only some results)...