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