Show:
Designs
Validity
Reliability
Samples
Research Basics
100
What is the type of design that collects words or narrative data?
Qualitative research
100
What type of validity might compares a shorter version of a measure of functional ability with a longer version?
Concurren validity
100
What is the type of reliability tht examines stability of an instrument at two points in time?
What is test retest reliability
100
What is it called when there is either over or under representation of the characteristics of the target population?
sampling bias
100
What are the 3 ethical principles from the Belmont Report that IRBs expect researchers to follow?
Beneficence Justice Respect for persons
200
What is the design that is used to examine relationships among variables?
Correlational design
200
In a study on hope in patients who have cancer, authors report that a panel of experts was used to review items for clarity and extent to which the items relate to the concept of hope. What type of validity is this?
content validity
200
In a study of mother-infant interaction during feeding, the author states the Cronbach's alpha for the child assessment feeding scale is 0.85. What is the type of reliability? Is it acceptable?
Internal consistency reliability; yes
200
What is the type of sampling in which all members of the accessible population have an equal chance of being selected for the study?
Probability sampling
200
What is coercion?
The threat of harm or the offer of excessive reward with the intent of forcing an individual to participate in a study
300
What is a design threat that occurs when subjects do not complete a study?
mortality
300
An author reports that the correlation between patient knowledge of self care at time of discharge and hospital readmission is 0.60. What type of validity is this? Is 0.60 acceptable?
Predictive validity; no
300
Can an instrument be reliable without being valid?
Yes
300
What is another name for multi-stage sampling?
cluster sampling
300
What is systematic error? How can it be avoided?
What is error that occurs the same way with each measurment; avoid it by proper calibration of instruments
400
what is a non-experimental design in which data are gathered from subjects at one point in time?
Cross sectional design
400
A type of design validity that affects conclusion about extent to whic the independent variable produced change in the dependent variable
What is internal validity
400
Two nurses observe pressure ulcer formation on the same patient; what type of reliability addresses their extentof agreement?
Inter rater reliability
400
In a quantitative study, what are two ways that you, as a reader, might determine whether the sample size was adequate?
Central Limit Theorem suggests N of at least 30 Look to see if author reports power analysis; 80% power or higher is acceptable
400
Voluntary participation by research subjects who have been told about possible risks and benefits of taking part in the study is called_______?
Informed consent
500
What type of design would a nurse researcher use to test the effects of a special high fiber diet on cardiovascular risk factors such as cholesterol in adults with a family history of CVD?
Experimental, pretest, posttest with control group or an RCT
500
What is the type of design validity that poses a threat when there are inconsistencies in data collection?
Instrumentation; internal validity
500
Reliability is reported as a correlation coefficient. What would a correlation of 0.00 mean? What would a correlation of 1.00 mean?
0.00 reflects absence of reliability 1.00 indicates perfect reliability
500
How would you know if the sample size was adequate for a qualitative research study?
Evidence of repetition/pattern in data or achieving saturation
500
What is a system to rank confidence in research designs, recognizing control of extraneous variables and bias?
Levels of evidence or evidence pyramid