Answer:
quality of item/ its effectiveness
Explanation:
Stress or Depression. Misdiagnose. The self report study is a type of survey, in which respondents read the question and select a response by themselves without researcher interference. In this method, it involves asking a participant about their feelings, attitudes, beliefs and so on. It also has validity problems.
Answer:
All sexually transmitted diseases can be prevented by abstinence (not engaging in sexual activity) and using protection.
If one is sexually active, get tested for STIs regularly. Make sure the partner has been tested as well.
Some STIs are syphilis, genital herpes and hepatitis B.