Question

a study where you try to observe subjects in a natural environment is a

Answer 1

Sadness, feeling down, having a loss of interest or pleasure in daily activities - these are symptoms familiar to all of us. But, if they persist and affect our life substantially, it may be depression.

According to the World Health Organization (WHO), depression is the most common illness worldwide and the leading cause of disability. They estimate that 350 million people are affected by depression, globally.

Symptoms of depression can include:

• depressed mood
• reduced interest or pleasure in activities previously enjoyed, loss of sexual desire
• unintentional weight loss (without dieting) or low appetite
• insomnia (difficulty sleeping) or hypersomnia (excessive sleeping)
• psycho-motor agitation, for example, restlessness, pacing up and down
• delayed psycho-motor skills, for example, slowed movement and speech
• fatigue or loss of energy
• feelings of worthlessness or guilt
• impaired ability to think, concentrate, or make decisions
• recurrent thoughts of death or suicide, or attempt at suicide  

Answer 2

Naturalistic

Hope it helps u.