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Research exam 3
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Questions in this quiz (66)
1Which of the following is not required for an experimental study?
- ARandom sampling
- BControl group
- CRepeated measures
- DControl of the intervention
2The purpose of control in a study design is to
- AEstablish the credibility of the researcher
- BHighlight design flaws
- CIncrease the probability that the results are true to reality
- DInterfere with the validity of the findings
3In evaluating a correlations design as sound, one would look for all but which of the following?
- ALarge sample
- BLow response rate of subjects
- CSample representing all elements of the population
- DWide range of values on each measure
4Grades on a multiple choice final exam are an example of which level of measurement?
- AOrdinal
- BInterval
- CNominal
- DRatio
5Which of the following is an example of random measurement error?
- AActual measures smaller than True measure
- BIncluding elements of hope in a measure of self concept
- CMeasuring blood sugar immediately after breakfast
- DPunching the wrong key when entering data into the computer
6Reliability is concerned with all but which of the following in relation to measurement?
- AAccuracy
- BConsistency of measurement
- CHomogeneity
- DSystematic error
7What is the difference between the simple quasi-experimental protest-posttest design and experimental pretest-posttest design?
- AMore groups are used in the experimental design.
- BSubjects are blind to group assignment in the experimental design.
- CThere is no direct way to measure change in the quasi-experimental group.
- DIn the experimental design, subjects are blinded to their protest scores.
8A type l error occurs when the researcher rejects a null hypothesis when it’s true
- ATrue
- BFalse
9Type ll error occurs when the researcher regards the null hypothesis as true but it is false
- ATrue
- BFalse
10The result indicate that there is a significant difference, when in reality there is not
- AType l
- BType ll
11The results indicate there is no significant difference, when in reality there is a difference
- AType l
- BType ll
12Research utilization involves:
- ACommunication of research findings.
- BObserving outcomes from changing practice.
- CUse of knowledge in practice
- DAll of the above
13Which of the following has not been identified as a barrier to using research knowledge in nursing practice?
- AFindings are communicated primarily to other researchers
- BNursing studies have adequate replication
- CPractitioners often do not value research
- DResearcher originated studies often do not solve pressing clinical problems
14Development of evidence based practice guidelines is a major focus of the
- AAgency of healthcare research and quality
- BAgency for nursing innovation
- CBest practices forum for healthcare providers
- DInternational clearinghouse for research findings
15A critical appraisal should be a
- AAnalysis of a study’s internal validity problems
- BBalanced appraisal of a study’s strengths and weaknesses
- CCriticism of researchers faulty decisions
- DInventory of problems in the study
16When critiquing qualitative research, it is important to
- AAnalyze the researcher adherence to qualitative standards or investigation
- BAvoid comparison of the study with other published studies to prevent bias
- CEmphasize study strengths over weaknesses
- DUse the same approach for both qualitative and quantitative study critiques
17A 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?
- ACan the study be replicated by other researchers?
- BDid the researchers use sound methodology?
- CWas the research problem significant?
- DWhat preparation did the researcher have to conduct the study?
18Standard deviation is the square root of the variance and provides a measure of the average deviation of a value from the mean.
- ATrue
- BFalse
19 A two tailed test of significance results when the hypothesis is non directional
- ATrue
- BFalse
20A type ll error occurs when the null hypothesis is accepted when it is not true
- ATrue
- BFalse
21The range is obtained by subtracting the lowest score from the highest score
- ATrue
- BFalse
22Mode is average obtained when all numbers are added and divided by the number of variables or numbers
- ATrue
- BFalse
23Inferential statistics are designed to address objectives, questions and hypothesis in a study
- ATrue
- BFalse
24Generalization is the application of information that has been acquired from a specific instance to a general situation.
- ATrue
- BFalse
25The median is the midpoint or score at the exact center of the ungrouped frequency
- ATrue
- BFalse
26Measures of central tendency are the end points in the data and represents the average data
- ATrue
- BFalse
27Statistical techniques are used to examine, reduce and give meaning to numerical data gathered by a researcher in a study.
- ATrue
- BFalse
28The mean is the numerical value or score that occurs with greatest frequency
- ATrue
- BFalse
29Measures of dispersion reflect individual differences
- ATrue
- BFalse
30Outliers are those who chose not to participate in a research study because at risks out weighs the benefits
- ATrue
- BFalse
31Limitations are restrictions or problem in a study that decrease the generalizability of the findings
- ATrue
- BFalse
32Power is when the researcher manipulates and controls all of the independent variables
- ATrue
- BFalse
33Another name for descriptive analysis :
- ASummary
- BMean
- CMode
- DMedian
34What would bimodel look like?
- AOne curve
- BTwo curve
- CThree curve
- DFour curve
35What is the mode?
- ALeast frequent variable/number
- BMost frequent variable/number
- CThe middle number
36Scatterplot is one measure of dispersion
- ATrue
- BFalse
37All data will make it on normal curve
- ATrue
- BFalse
38What symbol used to indicate level type l error
- APower
- BPopulation
- Calpha
- DMega
39If you have 0.01 alpha value, what does it mean?
- AMean there is 1 in 1000% chance of error
- BMeans there is 1 in 100% chance of error
- C1 in 10% chance of error
- D1 in 5% chance of error
40What are the 6 steps in data analysis?
- APrepare data for analysis
- BDescribe the sample
- CTest reliability of measurement methods
- DConduct exploratory analysis
- EConduct confirmatory analysis guided by hypothesis
- FQuestion or objectives
- GConduct posthoc analysis
- HReject questions or objectives
41Define the mean
- AThe sum of all scores multiples by the number of scores being summed
- BThe sum of scores subtracted by the number of scores being summed
- CThe sum of the scores divided by the number of scores being summed
42What is the mode? 5 2 5 1 3 5 3 4
- A1
- B2
- C5
- D4
43Determine the median- 1 4 7 10 11
- A1
- B7
- C10
- D11
44What is the mean? 2 4 6 8 10
- A10
- B4
- C3
- D6
45What is the most common used measure tenderness
- AMean
- BMode
- CMedian
- DRange
46List at least 1 measure of dispersion (select all that apply)
- ARange
- BScatterplot
- CStandard deviation
- DVariance
- EStandardized scores
47How do you calculate the standard deviation?
- AMode
- BRange
- CMedian
- DSquare root of the variance
48An inference is a conclusion or judgment based on evidence
- ATrue
- BFalse
49Algorithms is self-contained step by step set of operations to be performed
- ATrue
- BFalse
50Empirical generalization is based on accumulated evidence from many studies
- ATrue
- BFalse
51When using a power analysis to determine an error, what is the minimum score to detect and error?
- A0.1 minimum
- B0.6 minimum
- C0.8 minimum
- D1 minimum
52Define probability and what symbol is used to represent probability?
- AProbability 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
- BProbability explains no relationship
- CProbability is a capital P
- DUnknown answer is given.
53What does tailedness imply?
- ALower scores are given
- BAn 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.
- CNo answer implies
54A causality is a cause and effect relationship between the variables
- ATrue
- BFalse
55Independent variable (X) causes Y (a change in the dependent variable)
- ATrue
- BFalse
56A multicausality has multiple independent variables causing a change in the dependent variable
- ATrue
- BFalse
57There is a cause and effect relationship between interrelating variables
- ACausality
- BMulticausality
- CBias
- DControl
58Slanting of findings away from the truth
- ABias
- BControl
- CCausality
- DMulticausality
59Research designs should reduce likelihood of bias and control for it
- ATrue
- BFalse
60Manipulation is done only in quasi-experimental and experimental designs
- ATrue
- BFalse
61Implementation of a treatment/intervention & independent variables are controlled
- ABias
- BControl
- CManipulation
- DCausality
62Example of direct measure includes
- APain
- BDepression
- CCoping
- DOxygen
63Example of indirect measure includes
- AOxygen
- BO2 saturation
- CDepression
- DTemperature
64It is the extent to which an instrument reflects the concept being examined
- AReliability
- BValidity
65Systematic review is a narrowly focused synthesis of research findings from quantitative studies
- ATrue
- BFalse
66Multiple primary qualitative studies to produce a narrative about a selected phenomenon
- AMeta-analysis
- BMeta-summaries
- CSystematic review
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- Quiz on Research exam 3 , created by India Curenton on 10/22/2018.
- Author
- India Curenton
- Language
- English
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