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Test your basic knowledge |
Behavioral Science
Start Test
Study First
Subject
:
health-sciences
Instructions:
Answer 40 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Capitation
Mean +/- 2(SEM)
1/attributable risk
Best payment method for preventative care
Elderly - vs Destitute
2. Null vs alternative hypothesis
ACh increases it - NE reduces REM
[a/(a+c)] - [c/(c+d)]
H0 vs H1 - There is no association vs there is an association
Info gathered at a bad time - Ex. Survey of fatal dz (only those alive answer)
3. Depression sleep patterns
Picking neighbors for controls and such
Alpha vs beta - FP vs FN - There is a difference when there really isn't vs There isn't a difference when there really is
Increased REM - Faster entrance to REM - Repeated awakenings
=SD/sqrt(n)
4. Relative risk equation
5 steps - hallucinations - delusions - >2 months is abnormal
[a/(a+b)]/[c/(c+d)]
Stage 3
Take data from everyone to get info like prevalence - risks - etc.
5. SEM=
[a/(a+b)]/[c/(c+d)]
=SD/sqrt(n)
Mean +/- 2(SEM)
You catch the confounding error. Not a bias
6. t-test vs ANOVA vs chi
7. Pygmalian vs Hawthorne effect
8. P value vs power (1-beta) determine them - Power
1-beta - Probability of finding the difference when there is one (aka not getting Type II error)
Mean +/- 2(SEM)
If odds ratio or relative risk cross 1 - If two groups overlap
=SD/sqrt(n)
9. Number needed to harm equation
1/absolute risk reduction
Best payment method for preventative care
Stage 3
1/attributable risk
10. Positive vs negative skew
H0 vs H1 - There is no association vs there is an association
Hump moves left vs right - Mean>median>mode vs Mean<median<mode
Those in different groups aren't treated the same
Ad/bc
11. Absolute risk reduction equation
Risk without tx minus risk with tx
1/attributable risk
1st-Rule out. High sensitivity (SNOUT) - 2nd-Rule in. High specificity (SPIN)
Take data from everyone to get info like prevalence - risks - etc.
12. Attributable risk equation
Kg/m^2 - <18.5=underweight - 18.5-25=good - 25-30=overweight - 30-40=obese - 40+=morbidly obese
Need a certain amount of time before the result surfaces
[a/(a+c)] - [c/(c+d)]
If odds ratio or relative risk cross 1 - If two groups overlap
13. Odds ratio equation
1-Assess toxicity - safety. Healthy volunteers - 2-Assess dosing - SEs - 3-Huge number of people to compare it to the current standard of care - 4-Long term SEs
Hump moves left vs right - Mean>median>mode vs Mean<median<mode
If odds ratio or relative risk cross 1 - If two groups overlap
Ad/bc
14. Late-look bias
1/absolute risk reduction
Hump moves left vs right - Mean>median>mode vs Mean<median<mode
Info gathered at a bad time - Ex. Survey of fatal dz (only those alive answer)
Nonrandom assignment to study group - vs - Subjects not a good representation of the public
15. Emancipation of a minor
Mean +/- 2(SEM)
Marriage - Self-supporting - Has children - Military - Emergencies - OCPs - STDs - pregnancy - drugs
Hump moves left vs right - Mean>median>mode vs Mean<median<mode
Alpha vs beta - FP vs FN - There is a difference when there really isn't vs There isn't a difference when there really is
16. Where does most abnl actions in sleep occur?
1-Assess toxicity - safety. Healthy volunteers - 2-Assess dosing - SEs - 3-Huge number of people to compare it to the current standard of care - 4-Long term SEs
Nonrandom assignment to study group - vs - Subjects not a good representation of the public
Stage 3
1/absolute risk reduction
17. Type I vs Type II error (including how you decrease the probability of getting them)
18. Reliability=
H0 vs H1 - There is no association vs there is an association
Precision - Consistent and reproducible
Risk without tx minus risk with tx
Awake=beta - Stage 1=theta - Stage 2=spindles - K complexes - Stage 3=delta (widest with tallest amplitudes) - Stage 4/REM=beta
19. Cross-sectional study
Take data from everyone to get info like prevalence - risks - etc.
Info gathered at a bad time - Ex. Survey of fatal dz (only those alive answer)
1/absolute risk reduction
1/attributable risk
20. Latent period bias
If odds ratio or relative risk cross 1 - If two groups overlap
1/attributable risk
Need a certain amount of time before the result surfaces
Take data from everyone to get info like prevalence - risks - etc.
21. NTs in REM sleep
ACh increases it - NE reduces REM
Increased REM - Faster entrance to REM - Repeated awakenings
Researches belief in the outcome effects the outcome - vs Subjects realize they're being studied so they change their behavior
Difference between 2 means - vs - Difference between 3+ means - vs - Difference between things that aren't means
22. 3 yr milestones
Take data from everyone to get info like prevalence - risks - etc.
1/attributable risk
Feeds self - tricycle - gender identity - toilet trained - sentences
Nonrandom assignment to study group - vs - Subjects not a good representation of the public
23. MedicarE vs medicaid
If odds ratio or relative risk cross 1 - If two groups overlap
1-beta - Probability of finding the difference when there is one (aka not getting Type II error)
1-Assess toxicity - safety. Healthy volunteers - 2-Assess dosing - SEs - 3-Huge number of people to compare it to the current standard of care - 4-Long term SEs
Elderly - vs Destitute
24. Surrogate hierarchy
Alpha vs beta - FP vs FN - There is a difference when there really isn't vs There isn't a difference when there really is
Nonrandom assignment to study group - vs - Subjects not a good representation of the public
[a/(a+b)]/[c/(c+d)]
Spouse>children>parents
25. Case-control vs cohort study
Take people who have a dz - see what RFs there were vs take people with RFs - see if they develop a dz - Odds ratio vs relative risk - Retrospective vs observational
Alpha vs beta - FP vs FN - There is a difference when there really isn't vs There isn't a difference when there really is
Risk without tx minus risk with tx
Hump moves left vs right - Mean>median>mode vs Mean<median<mode
26. Phases of clinical trials
ACh increases it - NE reduces REM
Mean +/- 2(SEM)
1-Assess toxicity - safety. Healthy volunteers - 2-Assess dosing - SEs - 3-Huge number of people to compare it to the current standard of care - 4-Long term SEs
1st-Rule out. High sensitivity (SNOUT) - 2nd-Rule in. High specificity (SPIN)
27. Number needed to treat equation
1/absolute risk reduction
1-beta - Probability of finding the difference when there is one (aka not getting Type II error)
[a/(a+b)]/[c/(c+d)]
Picking neighbors for controls and such
28. Waves of sleep
Increased REM - Faster entrance to REM - Repeated awakenings
Awake=beta - Stage 1=theta - Stage 2=spindles - K complexes - Stage 3=delta (widest with tallest amplitudes) - Stage 4/REM=beta
Risk without tx minus risk with tx
Spouse>children>parents
29. 12 month milestones
Walking - separation anxiety - understand 25% of what he says
5 steps - hallucinations - delusions - >2 months is abnormal
Those in different groups aren't treated the same
Researches belief in the outcome effects the outcome - vs Subjects realize they're being studied so they change their behavior
30. Random vs systematic error
Reduces precision vs reduces accuracy
Awake=beta - Stage 1=theta - Stage 2=spindles - K complexes - Stage 3=delta (widest with tallest amplitudes) - Stage 4/REM=beta
Ad/bc
=SD/sqrt(n)
31. Grief sx - timeline
5 steps - hallucinations - delusions - >2 months is abnormal
Difference between 2 means - vs - Difference between 3+ means - vs - Difference between things that aren't means
=SD/sqrt(n)
Increased REM - Faster entrance to REM - Repeated awakenings
32. Procedure bias
33. For the 2x2 - always put ? on top
1-Assess toxicity - safety. Healthy volunteers - 2-Assess dosing - SEs - 3-Huge number of people to compare it to the current standard of care - 4-Long term SEs
Disease (+ or -)
Mean +/- 2(SEM)
Marriage - Self-supporting - Has children - Military - Emergencies - OCPs - STDs - pregnancy - drugs
34. 1st vs 2nd tests in determining a patient having dz
1st-Rule out. High sensitivity (SNOUT) - 2nd-Rule in. High specificity (SPIN)
Take people who have a dz - see what RFs there were vs take people with RFs - see if they develop a dz - Odds ratio vs relative risk - Retrospective vs observational
Those in different groups aren't treated the same
Stage 3
35. Confidence interval confirms H0
Elderly - vs Destitute
If odds ratio or relative risk cross 1 - If two groups overlap
1-Assess toxicity - safety. Healthy volunteers - 2-Assess dosing - SEs - 3-Huge number of people to compare it to the current standard of care - 4-Long term SEs
Kg/m^2 - <18.5=underweight - 18.5-25=good - 25-30=overweight - 30-40=obese - 40+=morbidly obese
36. Effect modification
Best payment method for preventative care
Walking - separation anxiety - understand 25% of what he says
Take data from everyone to get info like prevalence - risks - etc.
You catch the confounding error. Not a bias
37. Selection vs sampling bias
You catch the confounding error. Not a bias
1-beta - Probability of finding the difference when there is one (aka not getting Type II error)
If odds ratio or relative risk cross 1 - If two groups overlap
Nonrandom assignment to study group - vs - Subjects not a good representation of the public
38. Matching
You catch the confounding error. Not a bias
Awake=beta - Stage 1=theta - Stage 2=spindles - K complexes - Stage 3=delta (widest with tallest amplitudes) - Stage 4/REM=beta
Picking neighbors for controls and such
Reduces precision vs reduces accuracy
39. Confidence interval equation (95%)
5 steps - hallucinations - delusions - >2 months is abnormal
Mean +/- 2(SEM)
If odds ratio or relative risk cross 1 - If two groups overlap
Take people who have a dz - see what RFs there were vs take people with RFs - see if they develop a dz - Odds ratio vs relative risk - Retrospective vs observational
40. BMI equation - levels
Walking - separation anxiety - understand 25% of what he says
Take data from everyone to get info like prevalence - risks - etc.
5 steps - hallucinations - delusions - >2 months is abnormal
Kg/m^2 - <18.5=underweight - 18.5-25=good - 25-30=overweight - 30-40=obese - 40+=morbidly obese