behavioral science

Question 1

What is the difference between cohort study and clinical trials?

Answer 1

• cohort study – look for exposition of risk

- clinical trials – compared treatments and interventions with placebo

Question 2

what is tranference and countertranference?

Answer 2

• Transference: Patient projects feelings about formative or other important persons onto physician
• Countertransference: Doctor projects feelings about formative or other important persons onto patient

Question 3

which is the difference between schizotypal and schizoid personality?

Answer 3

• Schizotypal: Eccentric appearance, odd beliefs or magical thinking.
• Schizoid: Voluntary social withdrawal, limited
  emotional expression.

Question 4

Type I and II error

Answer 4

Type I alpha—– is a false positive error (there is a difference when really doesn´t exist
Type II beta—- is a false negative (there is not a difference, when really exists

Question 5

Delusional disorder

Answer 5

> 1 delusional > 1 month

no others psychotic symptoms is the difference with schyzophrenia

Question 6

major depressive disorder

Answer 6

> 2 weeks
5 of the following 9 symptoms: sleep disturbances, appetite change, low energy, psychomotor changes, low mood, anhedonia, guilt, focus, concentratio difficulty, suicidal ideation.

Question 7

T test
ANOVA
Chi square

Answer 7

• evaluate 2 means of two groups
• means of 3 or more groups
• difference between 2 or more % or proportions of categorical outcomes

Question 8

Postraumatic stress disorder vs acute stress disorder

Answer 8

the difference is the time PSD symptoms > 1 month

ASD > 3 days < 1 month

Question 9

Informed consent has five distinct elements:

Answer 9

1. Competence (capacity to make a rational choice)
2. Amount and accuracy of information
3. Understanding
4. Voluntariness
5. Authorization

Question 10

Medicaid vs medicare

Answer 10

Medicaid: homeless, pregnant women, undocumented immingrants and low income families
Medicare: patients 65 and older who have paid taxes, young people with disabilites, end stage renal disease and ALS

Question 11

schizoaffective disorder vs bipolar disorder + psychosis

Answer 11

1. episodes of manic or depressive mood without hallucinations or delusions. And > 2 weeks of hallucinatiosn or delusions
2. Manic or depressive episodes with hallucinations