Examlex
In general,the null hypothesis states that the treatment has no effect on the population mean.
Blind Observer
An individual who measures or assesses research data without knowing the hypotheses or participants' group assignments to avoid bias.
Spontaneous Remission
The unexpected improvement or cure of a disease or condition that appeared permanently, without medical intervention.
Therapies
Treatment methods aimed at relieving illness or psychological problems.
Effectiveness
The degree to which something achieves its intended outcome or fulfills its purpose.
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