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