15686693
Descripción
Test por India Curenton , actualizado hace más de 1 año
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Creado por India Curenton
hace alrededor de 6 años
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Pregunta 1
Pregunta
Which of the following is not required for an experimental study?
Respuesta
-
Random sampling
-
Control group
-
Repeated measures
-
Control of the intervention
Pregunta 2
Pregunta
The purpose of control in a study design is to
Respuesta
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Establish the credibility of the researcher
-
Highlight design flaws
-
Increase the probability that the results are true to reality
-
Interfere with the validity of the findings
Pregunta 3
Pregunta
In evaluating a correlations design as sound, one would look for all but which of the following?
Respuesta
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Large sample
-
Low response rate of subjects
-
Sample representing all elements of the population
-
Wide range of values on each measure
Pregunta 4
Pregunta
Grades on a multiple choice final exam are an example of which level of measurement?
Respuesta
-
Ordinal
-
Interval
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Nominal
-
Ratio
Pregunta 5
Pregunta
Which of the following is an example of random measurement error?
Respuesta
-
Actual measures smaller than True measure
-
Including elements of hope in a measure of self concept
-
Measuring blood sugar immediately after breakfast
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Punching the wrong key when entering data into the computer
Pregunta 6
Pregunta
Reliability is concerned with all but which of the following in relation to measurement?
Respuesta
-
Accuracy
-
Consistency of measurement
-
Homogeneity
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Systematic error
Pregunta 7
Pregunta
What is the difference between the simple quasi-experimental protest-posttest design and experimental pretest-posttest design?
Respuesta
-
More groups are used in the experimental design.
-
Subjects are blind to group assignment in the experimental design.
-
There is no direct way to measure change in the quasi-experimental group.
-
In the experimental design, subjects are blinded to their protest scores.
Pregunta 8
Pregunta
A type l error occurs when the researcher rejects a null hypothesis when it’s true
Respuesta
- True
- False
Pregunta 9
Pregunta
Type ll error occurs when the researcher regards the null hypothesis as true but it is false
Respuesta
- True
- False
Pregunta 10
Pregunta
The result indicate that there is a significant difference, when in reality there is not
Respuesta
-
Type l
-
Type ll
Pregunta 11
Pregunta
The results indicate there is no significant difference, when in reality there is a difference
Respuesta
-
Type l
-
Type ll
Pregunta 12
Pregunta
Research utilization involves:
Respuesta
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Communication of research findings.
-
Observing outcomes from changing practice.
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Use of knowledge in practice
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All of the above
Pregunta 13
Pregunta
Which of the following has not been identified as a barrier to using research knowledge in nursing practice?
Respuesta
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Findings are communicated primarily to other researchers
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Nursing studies have adequate replication
-
Practitioners often do not value research
-
Researcher originated studies often do not solve pressing clinical problems
Pregunta 14
Pregunta
Development of evidence based practice guidelines is a major focus of the
Respuesta
-
Agency of healthcare research and quality
-
Agency for nursing innovation
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Best practices forum for healthcare providers
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International clearinghouse for research findings
Pregunta 15
Pregunta
A critical appraisal should be a
Respuesta
-
Analysis of a study’s internal validity problems
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Balanced appraisal of a study’s strengths and weaknesses
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Criticism of researchers faulty decisions
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Inventory of problems in the study
Pregunta 16
Pregunta
When critiquing qualitative research, it is important to
Respuesta
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Analyze the researcher adherence to qualitative standards or investigation
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Avoid comparison of the study with other published studies to prevent bias
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Emphasize study strengths over weaknesses
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Use the same approach for both qualitative and quantitative study critiques
Pregunta 17
Pregunta
A researcher is intellectually critiquing the publisher study of another researcher. Which of the following questions is not an appropriate question to ask when examining the study?
Respuesta
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Can the study be replicated by other researchers?
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Did the researchers use sound methodology?
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Was the research problem significant?
-
What preparation did the researcher have to conduct the study?
Pregunta 18
Pregunta
Standard deviation is the square root of the variance and provides a measure of the average deviation of a value from the mean.
Respuesta
- True
- False
Pregunta 19
Pregunta
A two tailed test of significance results when the hypothesis is non directional
Respuesta
- True
- False
Pregunta 20
Pregunta
A type ll error occurs when the null hypothesis is accepted when it is not true
Respuesta
- True
- False
Pregunta 21
Pregunta
The range is obtained by subtracting the lowest score from the highest score
Respuesta
- True
- False
Pregunta 22
Pregunta
Mode is average obtained when all numbers are added and divided by the number of variables or numbers
Respuesta
- True
- False
Pregunta 23
Pregunta
Inferential statistics are designed to address objectives, questions and hypothesis in a study
Respuesta
- True
- False
Pregunta 24
Pregunta
Generalization is the application of information that has been acquired from a specific instance to a general situation.
Respuesta
- True
- False
Pregunta 25
Pregunta
The median is the midpoint or score at the exact center of the ungrouped frequency
Respuesta
- True
- False
Pregunta 26
Pregunta
Measures of central tendency are the end points in the data and represents the average data
Respuesta
- True
- False
Pregunta 27
Pregunta
Statistical techniques are used to examine, reduce and give meaning to numerical data gathered by a researcher in a study.
Respuesta
- True
- False
Pregunta 28
Pregunta
The mean is the numerical value or score that occurs with greatest frequency
Respuesta
- True
- False
Pregunta 29
Pregunta
Measures of dispersion reflect individual differences
Respuesta
- True
- False
Pregunta 30
Pregunta
Outliers are those who chose not to participate in a research study because at risks out weighs the benefits
Respuesta
- True
- False
Pregunta 31
Pregunta
Limitations are restrictions or problem in a study that decrease the generalizability of the findings
Respuesta
- True
- False
Pregunta 32
Pregunta
Power is when the researcher manipulates and controls all of the independent variables
Respuesta
- True
- False
Pregunta 33
Pregunta
Another name for descriptive analysis :
Respuesta
-
Summary
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Mean
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Mode
-
Median
Pregunta 34
Pregunta
What would bimodel look like?
Respuesta
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One curve
-
Two curve
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Three curve
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Four curve
Pregunta 35
Pregunta
What is the mode?
Respuesta
-
Least frequent variable/number
-
Most frequent variable/number
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The middle number
Pregunta 36
Pregunta
Scatterplot is one measure of dispersion
Respuesta
- True
- False
Pregunta 37
Pregunta
All data will make it on normal curve
Respuesta
- True
- False
Pregunta 38
Pregunta
What symbol used to indicate level type l error
Respuesta
-
Power
-
Population
-
alpha
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Mega
Pregunta 39
Pregunta
If you have 0.01 alpha value, what does it mean?
Respuesta
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Mean there is 1 in 1000% chance of error
-
Means there is 1 in 100% chance of error
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1 in 10% chance of error
-
1 in 5% chance of error
Pregunta 40
Pregunta
What are the 6 steps in data analysis?
Respuesta
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Prepare data for analysis
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Describe the sample
-
Test reliability of measurement methods
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Conduct exploratory analysis
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Conduct confirmatory analysis guided by hypothesis
-
Question or objectives
-
Conduct posthoc analysis
-
Reject questions or objectives
Pregunta 41
Pregunta
Define the mean
Respuesta
-
The sum of all scores multiples by the number of scores being summed
-
The sum of scores subtracted by the number of scores being summed
-
The sum of the scores divided by the number of scores being summed
Pregunta 42
Pregunta
What is the mode? 5 2 5 1 3 5 3 4
Respuesta
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1
-
2
-
5
-
4
Pregunta 43
Pregunta
Determine the median- 1 4 7 10 11
Respuesta
-
1
-
7
-
10
-
11
Pregunta 44
Pregunta
What is the mean? 2 4 6 8 10
Respuesta
-
10
-
4
-
3
-
6
Pregunta 45
Pregunta
What is the most common used measure tenderness
Respuesta
-
Mean
-
Mode
-
Median
-
Range
Pregunta 46
Pregunta
List at least 1 measure of dispersion (select all that apply)
Respuesta
-
Range
-
Scatterplot
-
Standard deviation
-
Variance
-
Standardized scores
Pregunta 47
Pregunta
How do you calculate the standard deviation?
Respuesta
-
Mode
-
Range
-
Median
-
Square root of the variance
Pregunta 48
Pregunta
An inference is a conclusion or judgment based on evidence
Respuesta
- True
- False
Pregunta 49
Pregunta
Algorithms is self-contained step by step set of operations to be performed
Respuesta
- True
- False
Pregunta 50
Pregunta
Empirical generalization is based on accumulated evidence from many studies
Respuesta
- True
- False
Pregunta 51
Pregunta
When using a power analysis to determine an error, what is the minimum score to detect and error?
Respuesta
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0.1 minimum
-
0.6 minimum
-
0.8 minimum
-
1 minimum
Pregunta 52
Pregunta
Define probability and what symbol is used to represent probability?
Respuesta
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Probability theory is used to explain the extent of a relationship, the probability that an event will occur in a given situation. Deductive (Top-down) and expressed as a lower case p. Probability is usually expected to be p<0.05
-
Probability explains no relationship
-
Probability is a capital P
-
Unknown answer is given.
Pregunta 53
Pregunta
What does tailedness imply?
Respuesta
-
Lower scores are given
-
An extreme score can occur in either tail of the normal curve. The data stems toward one end of the spectrum. In a one-tailed test, the hypothesis is directional and vice versa in a two tailed test.
-
No answer implies
Pregunta 54
Pregunta
A causality is a cause and effect relationship between the variables
Respuesta
- True
- False
Pregunta 55
Pregunta
Independent variable (X) causes Y (a change in the dependent variable)
Respuesta
- True
- False
Pregunta 56
Pregunta
A multicausality has multiple independent variables causing a change in the dependent variable
Respuesta
- True
- False
Pregunta 57
Pregunta
There is a cause and effect relationship between interrelating variables
Respuesta
-
Causality
-
Multicausality
-
Bias
-
Control
Pregunta 58
Pregunta
Slanting of findings away from the truth
Respuesta
-
Bias
-
Control
-
Causality
-
Multicausality
Pregunta 59
Pregunta
Research designs should reduce likelihood of bias and control for it
Respuesta
- True
- False
Pregunta 60
Pregunta
Manipulation is done only in quasi-experimental and experimental designs
Respuesta
- True
- False
Pregunta 61
Pregunta
Implementation of a treatment/intervention & independent variables are controlled
Respuesta
-
Bias
-
Control
-
Manipulation
-
Causality
Pregunta 62
Pregunta
Example of direct measure includes
Respuesta
-
Pain
-
Depression
-
Coping
-
Oxygen
Pregunta 63
Pregunta
Example of indirect measure includes
Respuesta
-
Oxygen
-
O2 saturation
-
Depression
-
Temperature
Pregunta 64
Pregunta
It is the extent to which an instrument reflects the concept being examined
Respuesta
-
Reliability
-
Validity
Pregunta 65
Pregunta
Systematic review is a narrowly focused synthesis of research findings from quantitative studies
Respuesta
- True
- False
Pregunta 66
Pregunta
Multiple primary qualitative studies to produce a narrative about a selected phenomenon
Respuesta
-
Meta-analysis
-
Meta-summaries
-
Systematic review
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