Search
Info
Warning
Danger

Study Resources (Statistics)

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Choose the answer below that best completes the following statement. A                is a number that describes a population. A) summary                 B) parameter               C) statistic                   D) sample 2) Choose the answer below that.
1 Views
View Answer
21) When rolling two six-sided dice, your total roll ranges from 2 (double ones) to 12 (double sixes).Characterize the nature of the roll total. A) quantitative and discrete                              B) qualitative and continuous C) qualitative and discrete                               D) quantitative and continuous 22) When experimental units are people, they are sometimes called                              .
0 Views
View Answer
1. MC What is the foundation for evidence-based practice? A.A medical librarian B.Nurses who read articles C.The research critique process 2. MC A scrutiny that is an objective, thoughtful, and balanced assessment of a study's merits, as well as its flaws, is known as a(n) A.analysis. B.criticism. C.critique. 3. MC Which of the following would be an example.
6 Views
View Answer
11) Use the given frequency distribution to approximate the mean. Class                Frequency 0 – 9             8 10 – 19          18 20 – 29         12 30 – 39         11 40 – 49         17 A) 26.7                        B) 14                           C) 13.2                        D) 13.9 12) For the data shown in the histogram, which of the.
0 Views
View Answer
21) Thirty households were surveyed for the number of televisions in each home. Following are the results. Construct a frequency histogram. A) B) C) D) 22) Thirty households were surveyed for the number of televisions in each home. Following are the results. Construct a relative frequency histogram. A) B) C) D) 23) A sample of 200 high school students were.
0 Views
View Answer
1. MC Evidence-based practice is dependent on researchers "getting the word out" and making their study findings public so that the findings can be A.added to the databases so research can be cited in other literature reviews. B.critically appraised by a large population of specialists and practitioners. C.evaluated as part of the body.
4 Views
View Answer
11. MC Using boxes and arrows to represent a framework's concepts and propositions, respectively, is an example of a(n) A.conceptual model. B.mathematical model. C.schematic model. 12. MC When used as context, a framework functions as the A.conceptual and philosophical umbrella under which the study is organized. B.recognition of a formal theory or conceptual model. C.schematic model which.
0 Views
View Answer
11. MC An extraneous variable categorized as an intrinsic factor might be A.inconsistent data collection. B.participant age. C.researcher gender. 12. MC Which of the following types of variables is often referred to as a linker in a causal relationship? A.Covariate B.Demographic C.Mediating 13. MC The operational definition of a variable reflects A.how the variable will be measured. B.the presumed direction.
0 Views
View Answer
11. MC A researcher compared the effects of free cafeteria meals on Mondays and employee absenteeism on Mondays. Data were collected for three months before and three months after this program was put into place. This is a description of what type of study? A.Cross-over B.Time-series C.Trend 12. MC A researcher collected data on.
0 Views
View Answer
1. MC The most frequently used data collection strategy, particularly for quantitative research, is A.interviews. B.observations. C.questionnaires. 2. MC A disadvantage of open-ended questions on a self-report instrument is A.they do not permit efficient quantification of subtle gradations in the strength or quantity of a characteristic about the variable of interest. B.they require the respondent to.
4 Views
View Answer
41) The following table presents the heights (in inches) of a sample of college basketball players. Height (in.) Frequency 68 - 71 18 72 - 75 49 76 - 79 66 80 - 83 48 84 - 87 10 Considering the data to be a population, approximate the standard deviation of the heights. A) 4                             B) 17.4                        C) 4.2                          D) 77.6 42).
0 Views
View Answer
11. MC Information that reflects only personal knowledge, experiences, or opinions, which may be based on out-of-date information, is an example of what type of information source? A.Authority B.Policy/procedure C.Tradition 12. MC The Health Behavior Model maintains that the likelihood of engaging in a healthy behavior increases as perception of the seriousness of the.
0 Views
View Answer
1. MC Each multiple choice item on a final examination represents which level of measure? A.Nominal B.Ordinal C.Interval/ratio 2. MC A researcher codes neighborhoods by zip code as follows: i. 99201 = 1 ii. 99204 = 2 iii. 99207 = 3 iv. 99208 = 4 This coding represents what level of measure? A.Nominal B.Ordinal C.Interval/ratio 3. MC Identify the level of measure represented.
3 Views
View Answer
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Find the mean for the following data set: 28 14 25 19 20 A) 20 B) 4.9 C) 14 D) 21.2 2) Find the median for the following data set: 24 18 17 13 25 A) 4.5 B) 18 C) 12 D) 19.4 3)  Find the mean for the following data set: 16      .
4 Views
View Answer
1. MC A researcher's paradigm (philosophical perspective about what constitutes reality) is reflected in the study's A.methodology. B.problem statement. C.sampling decisions. 2. MC Which of the following paradigms is founded on the belief that reality exists and is an objective phenomenon that can be observed? A.Constructivism B.Naturalism C.Positivism 3. MC The paradigm of qualitative research is A.naturalism. B.positivism. C.reductionism. 4. MC Compared.
4 Views
View Answer
1. MC A study's sampling plan can compensate for a A.design shortcoming in controlling threat to validity. B.failure to examine ethical considerations. C.lack of time and resources for the study. 2. MC The general term for describing individual units of a sample is A.elements. B.informant C.respondent. 3. MC A nurse research team conducting a study about perceptions of.
1 Views
View Answer
1. MC The traditionally recognized research roles for baccalaureate-prepared nurses are those of A.research consumer and research team member. B.principal investigator for large-scale practice-based studies. C.securing grant funding and initiating grant writing projects. 2. MC Which of the following are particularly appropriate foci for practice-based research projects? A.Original studies, theory development, and comparison B.Replication studies, outcomes.
4 Views
View Answer
Q2Compute the ratios requested in the chart below. For ratio formulas and explanation refer to Appendix B—Ratios. Circuit City Industry Norm* Year 7 Year 4 Current ratio 1.3 _________ _________ Debt ratio 29% _________ _________ *Industry:Electronics Stores—Industry ratio averages frommoney.msn.com For each ratio, (a) compare the two years of company ratios and circle the ratio indicating lower financial risk, (b) cross out any company.
0 Views
View Answer
1. MC The focus of developing an understanding of the research process for the BSN nurse is so that A.evidence-based research fills the gaps in the knowledge base. B.nurses become experts in the design of high-quality research. C.research becomes a meaningful and routine part of practice. 2. MC The evidence-based practice movement has served.
3 Views
View Answer
31. MC A threat to internal validity in a cross-over design is A.carry-over effects. B.history. C.maturation. 32. MC In quantitative research, a powerful tool for minimizing bias is A.randomness. B.reliability. C.validity. 33. MC Intrinsic subject characteristics that might function as extraneous variables can be controlled by A.a comparison group. B.manipulation. C.randomization. 34. MC Extrinsic factors that might function as extraneous variables in.
0 Views
View Answer
11. MC Sample size in a qualitative study is determined by the occurrence of A.exhaustion. B.saturation. C.variation. 12. MC The qualitative concept of "saturation" refers to A.informational redundancy. B.representative sampling. C.rich description of a phenomenon. 13. MC Critical appraisal of the approach used in a research study centers around the issue of A.fit. B.time. C.knowledge. 14. MC What type of research articles.
0 Views
View Answer
1. MC The conduction of nursing research is a costly and time-consuming intellectual exercise unless nurses A.read, critique, and replicate research findings, and test their effectiveness in practice. B.understand the application of specific data collection and analysis methods. C.use studies to make changes in practice even when experience proves otherwise. 2. MC Without thinking.
3 Views
View Answer
1. MC Incorporating research findings into nursing practice is an activity to engage in A.as a critical element of professional practice. B.to evaluate nurse-sensitive outcomes. C.when there is time to research findings. 2. MC The focus of research is to A.develop controversial expert opinions. B.refine and validate existing knowledge. C.train people to use critical thinking skills. 3. MC.
4 Views
View Answer
21) The following data represent the total price, in dollars, of 20 randomly-selected gasoline purchases at a certain convenience store. Find the median price for these purchases. A) $37.40                    B) $41.88                    C) $130.84                  D) $35.88 22) The following data represent the total price, in dollars, of 20 randomly-selected gasoline purchases.
0 Views
View Answer
1. MC The first document to identify "consent to participate in a study must be voluntary" as a key point was the A.Declaration of Helsinki. B.Nuremburg Code. C.Tuskegee Study. 2. MC Coercion refers to A.collecting data without participants' knowledge. B.offering inappropriate inducements for study participation. C.study conduct being affected by sponsorship. 3. MC Students are told they will.
5 Views
View Answer
11. MC A researcher assessed an instrument's reliability by administering it to the same individuals on two occasions two weeks apart. This process is referred to as A.intra-rater reliability. B.internal consistency reliability. C.test-retest reliability. 12. MC Test-retest reliability assesses which type of reliability? A.Equivalence B.Homogeneity C.Stability 13. MC Which of the following measures would be best suited for.
0 Views
View Answer
INCOME STATEMENT Q4Revenues were $10,470 million for the earliest year reported and $11,744 million for the most recent year reported. Since the earliest year reported, this account has changed by $1,274 million, which is a 12% (increase / decrease). During the same time period, COGS (increased / decreased) by 18%, total.
0 Views
View Answer
11. MC Which type of sample carries the greatest risk for sampling error? A.Cluster sample B.Stratified random sample C.Systematic sample 12. MC Sampling error is smaller in A.homogeneous samples B.random samples. C.small samples. 13. MC A pair of nurse researchers recruited participants for their qualitative study about resilience in elderly women who had never married by posting flyers.
0 Views
View Answer
1. MC Which of the following is linked to the study's research problem, literature review, and framework? A.Design B.Problem C.Purpose 2. MC Which item is true about quasi-experimental studies? A.They do not allow for control of threats to internal validity. B.They lack either a control group or randomization. C.They are inferior to experimental designs. 3. MC The design.
3 Views
View Answer
21. MC Construct validity focuses on an instrument's A.completeness. B.conceptual accuracy. C.sensitivity. 22. MC A researcher could assess the construct validity of a depression screening tool by comparing A.content of the tool's items with characteristics of depression that are identified in the literature. B.performance of the tool with performance on an established depression screening scale. C.scores of.
0 Views
View Answer
31. MC A researcher wants to determine the relationship between 24-hour calorie intake and stress, which is measured on a visual analog scale. The appropriate statistic for determining this relationship would be A.ANOVA. B.Chi-squared. C.Pearson's r. 32. MC Which of the following statistical tests cannot be used to examine differences between groups? A.ANOVA B.Chi-squared C.Pearson's r 33. MC.
0 Views
View Answer
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The following bar graph presents the average amount a certain family spent, in dollars, on various food categories in a recent year. On which food category was the most money spent? A) Dairy products                                             B).
2 Views
View Answer
Q10Complete the statement of retained earnings below. Circuit City    STATEMENT OF RETAINED EARNINGS    ($ in millions) For the years ended February 28, Year 7 Year 6 Year 5 Year 4 Retained earnings, beginning $ _________ $ _________ $ _________ $ 1,199 Net income _________ _________ _________ 62 Dividends paid _________ _________ _________ (14) Other adjustments (8) 0 2 (7) Retained earnings, ending $ _________ $ _________ $ _________ $ 1,240 a.A net loss was reported during Year (_________ / _________ / 5 / 4) and dividends increased during Year (_________ /.
0 Views
View Answer
1. MC Identify the independent variable in the following research question: "Does type of healthcare provider (physician versus nurse practitioner) affect smoking cessation success in adult men?" A.Adult men B.Healthcare provider C.Smoking cessation success 2. MC The independent variable in a study can be thought of as a(n) A.confounding factor. B.outcome of interest. C.presumed causal factor. 3. MC.
2 Views
View Answer
Q1Review the following accounts, subtotals, and totals; (1) describe your observations; and then (2) identify what your observations indicate. A response is given for Current Assets to help with understanding. a.Current assets… decreased in Year 7 due to a sharp decline in short-term investments and a dip in inventory.  The buildup.
0 Views
View Answer
11) Classify the histogram as skewed to the left, skewed to the right, or approximately symmetric. A) skewed to the left B) approximately symmetric C) skewed to the right 12) Classify the histogram as unimodal or bimodal. A) unimodal                                                      B) bimodal 13) One hundred students are shown an eight-digit number on a piece of.
0 Views
View Answer
1. MC Which of the following best represents a formal study framework? A.Clinical experience as a basis for the study problem statement B.Prochaska's stages of change as a behavioral change process C.Researcher's hunches about why the research is important 2. MC The process of testing the ideas and hunches represented by a framework and.
4 Views
View Answer
31) Find the population standard deviation for the following data set: 21 12 20 15 18 A) 3.7                          B) 13.7                        C) 3.3                          D) 11 32) Approximate the sample variance given the following frequency distribution. Class Frequency 0 - 9 11 10 - 19 10 20 - 29 18 30 - 39 15 40 - 49 13 A) 13.5                        B) 178.8                      C).
0 Views
View Answer
1. MC Which of the following general activities take place in all research studies? A.Apply, measure, think, and analyze B.Plan, do, evaluate, and react C.Think, plan, do, and communicate 2. MC What do the concepts of rigor and control in the research process focus on doing? A.Monitoring the linear decision process B.Removing contaminating factors C.Structuring the process.
3 Views
View Answer
1. MC An effectively written literature review is A.expert opinion. B.objective. C.subjective. 2. MC A literature review in the form of a systematic review of past quantitative research is a(n) A.integrative review. B.meta-analysis. C.meta-synthesis. 3. MC An author preparing which of the following types of reviews evaluates both quantitative and qualitative research literature to expand the understanding of.
6 Views
View Answer
21. MC A nurse researcher studied the meaning of a parent's dementia for the members of one extended family. Data were collected by means of questionnaires and interviews over a two-year period of time. This is an example of what type of research? A.Case study research B.Outcomes research C.Process evaluation research 22. MC Which.
0 Views
View Answer
Q6The income statement and related ratios indicate (strengthening / steady / weakening) earnings potential.  Why?  List observations that support your conclusion and explain why. STATEMENT OF CASH FLOWS Q7The primary source of cash was operating activities during Year (7 / 6 / 5 / 4). Investing activities provided a source of cash during.
0 Views
View Answer
1. MC Outliers are best detected by examining the A.frequency distribution. B.mean. C.standard deviation. 2. MC A one-tailed test of significance should be used if the research hypothesis is A.directional. B.positive. C.negative. 3. MC If a distribution of scores is characterized by very few extremely high or extremely low values, with most values clustering around the mid-range, this.
3 Views
View Answer
11) Determine which of the following describes qualitative data. i). the volume of a shipping container, in gallons ii). the name of the material from which the container is made iii). the shape of the container A) i and iii only            B) i, ii, and iii              C) ii and iii only         .
0 Views
View Answer
1. MC Sampling and data collection in a qualitative study is best characterized as a(n) A.emergent and flexible, but disciplined, process. B.highly scientific and exacting research process. C.rule-driven process with straightforward tests. 2. MC When does a qualitative researcher develop his/her emergent design? A.As data are collected and analyzed in the field B.Before going into the.
5 Views
View Answer