i understand the difference between the two - e.g. consistency vs accuracy, but in my evaluation of this particular essay i am struggling to identify whether it lacks validity or lack reliability:
In addition to this, Cotton et al (2009) found that female patients typically function better than males, this may explain why the occurrence of SZ is reportedly much higher in men – as woman may escape diagnosis because their better functioning skills may bias practitioners to under-diagnose SZ. This presents a major problem as men and women with similar symptoms may receive completely different diagnosis’.
^^^ is this a validity or reliability problem? thank you!
(i feel like it's validity but i want to make sure)
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reliability or validity? watch
- Thread Starter
- 01-03-2018 18:31
- 01-03-2018 20:19
Validity. The diagnostic criteria are failing to accurately identify those who suffer SZ. They therefore are measuring levels of functioning rather than SZ which means they lack validity.
- 02-03-2018 13:05
If it lacks validity, it also lacks reliability.