Write the database table design to represent the data model below,including tables,the proper placement of the foreign key,and referential integrity constraint.
Definitions:
Placebo Effects
The phenomenon where an individual experiences a perceived improvement in health or well-being after receiving a treatment with no therapeutic value, attributed to the individual's belief in the effectiveness of the treatment.
Controlled Studies
Scientific studies that involve direct comparison between experimental groups and control groups to determine the effect of a variable.
Disorder
A condition characterized by disruption to normal functioning, often referring to mental health or physical health issues.
Expectancies
Beliefs or predictions about future events, particularly regarding the likelihood of experiencing certain outcomes.
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