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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. t-test vs ANOVA vs chi
2. Random vs systematic error
Picking neighbors for controls and such
ACh increases it - NE reduces REM
Take data from everyone to get info like prevalence - risks - etc.
Reduces precision vs reduces accuracy
3. Reliability=
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
Precision - Consistent and reproducible
Increased REM - Faster entrance to REM - Repeated awakenings
Elderly - vs Destitute
4. Capitation
1/attributable risk
Best payment method for preventative care
Elderly - vs Destitute
Ad/bc
5. NTs in REM sleep
1/attributable risk
If odds ratio or relative risk cross 1 - If two groups overlap
ACh increases it - NE reduces REM
H0 vs H1 - There is no association vs there is an association
6. Absolute risk reduction equation
Risk without tx minus risk with tx
Reduces precision vs reduces accuracy
Precision - Consistent and reproducible
Those in different groups aren't treated the same
7. 12 month milestones
Ad/bc
Walking - separation anxiety - understand 25% of what he says
Elderly - vs Destitute
Best payment method for preventative care
8. Number needed to harm equation
1/attributable risk
[a/(a+b)]/[c/(c+d)]
Difference between 2 means - vs - Difference between 3+ means - vs - Difference between things that aren't means
Nonrandom assignment to study group - vs - Subjects not a good representation of the public
9. Waves of sleep
Info gathered at a bad time - Ex. Survey of fatal dz (only those alive answer)
Take data from everyone to get info like prevalence - risks - etc.
Best payment method for preventative care
Awake=beta - Stage 1=theta - Stage 2=spindles - K complexes - Stage 3=delta (widest with tallest amplitudes) - Stage 4/REM=beta
10. Odds ratio equation
Researches belief in the outcome effects the outcome - vs Subjects realize they're being studied so they change their behavior
Hump moves left vs right - Mean>median>mode vs Mean<median<mode
Precision - Consistent and reproducible
Ad/bc
11. For the 2x2 - always put ? on top
1/absolute risk reduction
Difference between 2 means - vs - Difference between 3+ means - vs - Difference between things that aren't means
Increased REM - Faster entrance to REM - Repeated awakenings
Disease (+ or -)
12. Confidence interval confirms H0
Need a certain amount of time before the result surfaces
Increased REM - Faster entrance to REM - Repeated awakenings
If odds ratio or relative risk cross 1 - If two groups overlap
[a/(a+c)] - [c/(c+d)]
13. Positive vs negative skew
Those in different groups aren't treated the same
1/absolute risk reduction
[a/(a+c)] - [c/(c+d)]
Hump moves left vs right - Mean>median>mode vs Mean<median<mode
14. Number needed to treat equation
1/absolute risk reduction
Disease (+ or -)
H0 vs H1 - There is no association vs there is an association
Picking neighbors for controls and such
15. Where does most abnl actions in sleep occur?
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
1/absolute risk reduction
Stage 3
Awake=beta - Stage 1=theta - Stage 2=spindles - K complexes - Stage 3=delta (widest with tallest amplitudes) - Stage 4/REM=beta
16. MedicarE vs medicaid
Risk without tx minus risk with tx
Marriage - Self-supporting - Has children - Military - Emergencies - OCPs - STDs - pregnancy - drugs
Info gathered at a bad time - Ex. Survey of fatal dz (only those alive answer)
Elderly - vs Destitute
17. P value vs power (1-beta) determine them - Power
Researches belief in the outcome effects the outcome - vs Subjects realize they're being studied so they change their behavior
Hump moves left vs right - Mean>median>mode vs Mean<median<mode
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
18. 1st vs 2nd tests in determining a patient having dz
1st-Rule out. High sensitivity (SNOUT) - 2nd-Rule in. High specificity (SPIN)
Disease (+ or -)
ACh increases it - NE reduces REM
Spouse>children>parents
19. Relative risk equation
[a/(a+b)]/[c/(c+d)]
Best payment method for preventative care
Researches belief in the outcome effects the outcome - vs Subjects realize they're being studied so they change their behavior
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
20. Surrogate hierarchy
Take data from everyone to get info like prevalence - risks - etc.
Spouse>children>parents
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
If odds ratio or relative risk cross 1 - If two groups overlap
21. Late-look bias
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
Increased REM - Faster entrance to REM - Repeated awakenings
Hump moves left vs right - Mean>median>mode vs Mean<median<mode
22. Attributable risk equation
Walking - separation anxiety - understand 25% of what he says
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
Info gathered at a bad time - Ex. Survey of fatal dz (only those alive answer)
[a/(a+c)] - [c/(c+d)]
23. Confidence interval equation (95%)
[a/(a+b)]/[c/(c+d)]
Hump moves left vs right - Mean>median>mode vs Mean<median<mode
Mean +/- 2(SEM)
Need a certain amount of time before the result surfaces
24. Pygmalian vs Hawthorne effect
25. SEM=
=SD/sqrt(n)
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
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
Need a certain amount of time before the result surfaces
26. Procedure bias
27. BMI equation - levels
You catch the confounding error. Not a bias
Walking - separation anxiety - understand 25% of what he says
Spouse>children>parents
Kg/m^2 - <18.5=underweight - 18.5-25=good - 25-30=overweight - 30-40=obese - 40+=morbidly obese
28. Matching
Picking neighbors for controls and such
Hump moves left vs right - Mean>median>mode vs Mean<median<mode
Difference between 2 means - vs - Difference between 3+ means - vs - Difference between things that aren't means
Reduces precision vs reduces accuracy
29. Emancipation of a minor
Best payment method for preventative care
Picking neighbors for controls and such
Reduces precision vs reduces accuracy
Marriage - Self-supporting - Has children - Military - Emergencies - OCPs - STDs - pregnancy - drugs
30. 3 yr milestones
Marriage - Self-supporting - Has children - Military - Emergencies - OCPs - STDs - pregnancy - drugs
Researches belief in the outcome effects the outcome - vs Subjects realize they're being studied so they change their behavior
Feeds self - tricycle - gender identity - toilet trained - sentences
Hump moves left vs right - Mean>median>mode vs Mean<median<mode
31. 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
Mean +/- 2(SEM)
Increased REM - Faster entrance to REM - Repeated awakenings
32. Cross-sectional study
You catch the confounding error. Not a bias
If odds ratio or relative risk cross 1 - If two groups overlap
Take data from everyone to get info like prevalence - risks - etc.
=SD/sqrt(n)
33. Latent period bias
Nonrandom assignment to study group - vs - Subjects not a good representation of the public
If odds ratio or relative risk cross 1 - If two groups overlap
Walking - separation anxiety - understand 25% of what he says
Need a certain amount of time before the result surfaces
34. Type I vs Type II error (including how you decrease the probability of getting them)
35. Effect modification
1st-Rule out. High sensitivity (SNOUT) - 2nd-Rule in. High specificity (SPIN)
You catch the confounding error. Not a bias
Elderly - vs Destitute
H0 vs H1 - There is no association vs there is an association
36. Phases of clinical trials
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
Precision - Consistent and reproducible
Picking neighbors for controls and such
37. Selection vs sampling bias
1/absolute risk reduction
Nonrandom assignment to study group - vs - Subjects not a good representation of the public
Increased REM - Faster entrance to REM - Repeated awakenings
Walking - separation anxiety - understand 25% of what he says
38. Grief sx - timeline
Need a certain amount of time before the result surfaces
Ad/bc
Walking - separation anxiety - understand 25% of what he says
5 steps - hallucinations - delusions - >2 months is abnormal
39. Case-control vs cohort study
Spouse>children>parents
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
Hump moves left vs right - Mean>median>mode vs Mean<median<mode
Those in different groups aren't treated the same
40. Null vs alternative hypothesis
Disease (+ or -)
H0 vs H1 - There is no association vs there is an association
Feeds self - tricycle - gender identity - toilet trained - sentences
Nonrandom assignment to study group - vs - Subjects not a good representation of the public