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