lecture 3

Question 1

what should the title tell you

Answer 1

who and what

Question 2

what is the order of authorship

Answer 2

first author
last author/senior author
second author
middle author

Question 3

which author is Usually, an experienced investigator who partners with first author in interpretation, analysis, and writing

Answer 3

last author

Question 4

the conflict of interest is usually found where

Answer 4

1st page in small fonts

Question 5

how mnay words is the abstract

Answer 5

150 words or less

Question 6

what does the abstract address

Answer 6

only the primary purpose and none of the seconding findings

Question 7

a prsopective non blinded randomized clinical trial is what type of evidence

Answer 7

1b

Question 8

the introduction ends with

Answer 8

therefore the purpose of this study is to

Question 9

what is a null hypothesis

Answer 9

there will be no difference between x and y

Question 10

do people write nnull hypthesis

Answer 10

no

Question 11

where should alternative hypthesis be found

Answer 11

in the journals

Question 12

what are the methods (in order0

Answer 12

Participants
Instrumentation
Procedures
Data analysis

Question 13

how mnay subsections are there in methods

Answer 13

4

Question 14

there should be a clear …. in participants

Answer 14

inclusion/exclusion criteria

Question 15

instrumentation may also be broken into

Answer 15

intervention and outcome measurments

Question 16

ex of a intervention

Answer 16

specific type of exercise proticol used

Question 17

ex of outcome measurements

Answer 17

2 mintue walk test

Question 18

procedures much be

Answer 18

reproducible (decribed from start to finisih)

Question 19

the data analysis should explain

Answer 19

how they will handle the data frim the beginning

Question 20

a significant result will have a p value less than

Answer 20

.5

Question 21

what % is there that their results will be wrong just due to chance

Answer 21

5

Question 22

what is the independent variable

Answer 22

the variable that is manipulated

Question 23

what is the dependent variable

Answer 23

variable that is measured

Question 24

the mean is what

Answer 24

the average

Question 25

the median is the

Answer 25

middle value

Question 26

the mode is the

Answer 26

most common

Question 27

the greater the variability

Answer 27

the lower the chances of finding a significant difference

Question 28

the range is the

Answer 28

difference between the minimum and max values

Question 29

to find the variance you have to squre the

Answer 29

standard deviation

Question 30

the ANOVA test looks for

Answer 30

the main effective group main effectivce time what is the interaction

Question 31

in the ANOVA test you dont want the error to be greater than

Answer 31

.5

Question 32

what is the statistical abbreviation for a pearson product moment correlation

Answer 32

R

Question 33

if r is +1.00 it means there is a

Answer 33

perfect positive correlation

Question 34

if the r is 0.00 there is

Answer 34

no relationship

Question 35

if the r is -1.00 there is a

Answer 35

perfect negative correlation

Question 36

is the correlation of r= .80 it means that r ^2=

Answer 36

.64 r 64%

Question 37

an R that is what is good in the field

Answer 37

.5 or better

Question 38

T/F: correlation coefficient does not mean cause and effect

Answer 38

T

Question 39

reliability means

Answer 39

consistency

Question 40

validity means

Answer 40

accuracy

Question 41

types of reliability

Answer 41

inter-tester intra-tester test-retest

Question 42

can different rater get the same score is an examoke of what

Answer 42

inter-tester

Question 43

can the same rater get the same score is an example of what

Answer 43

intra-tester

Question 44

can successive measurments by an instrument be consistent? is an example of what

Answer 44

test-retest

Question 45

can successive measurments by a patient by consistent? is na exmaple of what

Answer 45

test-retest