EBP Quiz #2

Question 1

Which primary source of research evidence would assess the impact of disease on the patient incl. function & disability?

Accepted Answer

Evidence of outcomes measures

Question 2

In a positive or negative skewed distribution, the mean will skew toward and the mode will skew away

Accepted Answer

True

Question 3

Test sensitivity would indicate high sensitivity, positive test result, rule in disorder

Accepted Answer

False

Question 4

What type of validity would pose the question: Does the test measure the concept that it is intended to measure?

Accepted Answer

Construct validity

Question 5

Select all common prognostic indicators and their proper definitions.

Accepted Answer

Psychological- cognition, comprehension, adherence, Biological- disease state, age, gender

Question 6

Evidence of prognosis assessment seeks to describe what outcomes may occur and could describe risk of future pathology

Accepted Answer

True

Question 7

What is used in RCT when subject non-compliance occurs to preserve randomization and sample size?

Accepted Answer

Intention-to-treat analysis

Question 8

The tighter the bell curve, the more variability of the population

Accepted Answer

False

Question 9

How many standard deviations are within 95%?

Accepted Answer

2

Question 10

LR+ = sensitivity / 1-specificity

Accepted Answer

True

Question 11

Test specificity would be characterized as which of the following?

Accepted Answer

Ability of a test to correctly identify someone without the disorder, High specificity, positive test result, rule in disorder

Question 12

>1 OR means the odds are against an adverse (or positive) outcome

Accepted Answer

False

Question 13

Reliable could also be understood as accurate, stable, and consistent

Accepted Answer

True

Question 14

RRR= [% controls with disease - % therapy group with disease / % control with disease] x 100%

Accepted Answer

True

Question 15

Define minimal clinically important difference (MCID).

Accepted Answer

The smallest treatment effect would result in a change in pt management

Question 16

What test can determine the association among 3+ variables?

Accepted Answer

Multiple correlation

Question 17

Evidence of systematic review and practice guidelines is a primary source of research evidence

Accepted Answer

True

Question 18

The chance that an individual with the prognostic or risk factor will develop the outcome of interest is called what?

Accepted Answer

Odds Ratio

Question 19

If there is failure of a measurement to detect score for patients whose status has declined what is this called?

Accepted Answer

Floor effect

Question 20

Which definition fits with evidence of interventions?

Accepted Answer

Seek to objectively determine effectiveness and efficacy of treatment

Question 21

Select all measures of central tendencies with their proper definitions

Accepted Answer

Mode: most frequent occuring socre, Mean: arithmetic average of a group of scores, Median: middle of a group of scores

Question 22

Negative predictive value = pts w/o disorder who tested + / all pts who tested -

Accepted Answer

False

Question 23

What primary source or research focuses on examination of a particular body region and may assist in classification?

Accepted Answer

Evidence of diagnostic test and measures

Question 24

In this distribution, where will the mean and mode skew?

Accepted Answer

Mean will skew toward the distribution, mode will skew away

Question 25

The likelihood that a negative result was observed in a person w/ the disorder vs. in a person without the disorder is?

Accepted Answer

LR-, Negative likelihood ratio

Question 26

What is the best measure to best see information about the population?

Accepted Answer

Median

Question 27

The ability of a test to correctly determine the % of patients with disorder from all patients with a + result is what?

Accepted Answer

Positive predictive value

Question 28

A large and conclusive change can be seen as either LR+ >10 or LR- <.10

Accepted Answer

True

Question 29

In this distribution, the mean=median=mode

Accepted Answer

True

Question 30

The SAT test is taken by HS students to predict their future performance in college, this would be defined as what?

Accepted Answer

Predictive validity

Question 31

The rockport walking test is a good prediction of VO2 max

Accepted Answer

True

Question 32

A small but sometimes important change can be seen as either LR+ 5-10 or LR- 0.10-0.20

Accepted Answer

False

Question 33

A statistical expression of the size of the difference between sample means is called what?

Accepted Answer

Effect size

EBP Quiz #2

Questions 33

EBP Quiz #2

Questions 33