what dose "ineffectivenes... means in psychology?
Answers:
Well, it depends on if you are using the word as precisely as I think you are. In psychology, two terms are used to discuss whether interventions work, and how well:
1. Efficacy
2. Effectiveness
Briefly, efficacy is a demonstrated effect under carefully controlled conditions. Efficacy studies typically will screen out people with multiple disorders or other things that would make them especially unique. For example, in a depression study, they would screen out anyone suffering from, say, depression and anxiety.
Effectiveness has to do with demonstrated effect under "real world" conditions--sloppier, but more like life. This means less control over what people do (you might allow some people in your study to be on meds, others not) and less control over the effects of the intervention.
So, you might have a treatment that has demonstrated efficacy under laboratory-type conditions, but fails to demonstrate effectiveness. Consider why this might be--treatments that are especially onerous or long tend to lead to drop-out and less adherence to treatment. Thus, they look good in the lab, but not in the real world, where people might not show up every week.
Other Answers:
Not effective..........
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