EBP final quiz 3

____________ is best defined as a statistical procedure, which involves quantitatively pooling the data from a group of independent studies that have studied the same or similar clinical problems, using the same or similar research methods. a.Exploration analysis b.Meta-analysis c.Meta-synthesis d.Concept analyses

b. meta-analysis

This is best defined as adopting an innovation on a trial basis: a.Adoption b.Pilot c.Active adoption d.Passive adoption

b. pilot

A study is designed to research the effect of diet on patients with high blood pressure and no other medical issues under the age of 38. Which individual would be in the study target population? a.A 38 year old man with hypertension and psoriasis b.A 37 year old man with hypertension c.A 37 year old man with hypertension and obesity d.A 40 year old man with hypertension

b.A 37 year old man with hypertension

The researcher understands that it is best to have a high rate of return on questionnaires because a low response rate can cause what problem with the study? a. Low response rates can cause unethical data because it is not fully representative b. Low response rates can lead to bias because samples may not be representative c. Low response rates can lead to skewed data because samples may not be representative d. Low response rates can create false positives in the data with limited responses

b.Low response rates can lead to bias because samples may not be representative

The nurse researcher is performing a research study, to recruit participants the nurse has asked current participants for referrals to other potential participants. This is an example of what type of sampling? a.Cluster sampling b.Snowball sampling c.Stratified random sampling d.Simple random sampling

b.Snowball sampling

When the nurse researcher is conducting an interview for a qualitative study the research will ensure the questions follow which of the following formats: a. Structured questions requiring short succinct answers b. Structured questions requiring yes or no questions c. Open ended questions allowing the interviewee to provide in-depth information d. Open ended questions with no guidance keeping them aligned with the study purpose

c. Open ended questions allowing the interviewee to provide in-depth information

Likert scales are best defined as: a. Ordinal level scale containing seven open ended questions focused on the topic b. Nominal level scale containing seven points on an agree or disagree continuum c. Ordinal level scale containing seven points on an agree or disagree continuum d. Nominal level scale containing seven open ended questions focused on the topic

c. Ordinal level scale containing seven points on an agree or disagree continuum

Physiological measures provide a wide range of biological, chemical, and microbiological data, which of the following is an example of a physiological measure? a.Emotions b.Perceptions c.Cardiac output d.Time

c. cardiac output

The nurse understands that nursing research is essential to ensure what type of practice occurs which ensures high quality health care with beneficial outcomes? a.Research based practice b.Science based practice c.Evidence based practice d.Evidence based outcomes

c. evidence based practice

There are four categories that are used to describe ___________: the four categories are nominal, ordinal, interval, and ratio. a.Scale b.Survey c.Measurement d.Data

c. measurement

Which of the following is an example of adopting an innovation? a.Testing a new innovation for replication b.Reading journals to learn about new innovations c.Applying a new innovation in practice d.Research the concept of a new innovation

c.Applying a new innovation in practice

______________ is the analysis of a group of qualitative studies. a.Exploration analysis b.Meta-analysis c.Meta-synthesis d.Concept analyses

c.Meta-synthesis

When using a questionnaire the researcher should include only essential questions for which of the following reasons? a.Shorter questionnaires get more accurate results b.Shorter questionnaires are more accurate c.Shorter questionnaires are more likely to be completed d.Shorter questionnaires are easier to understand

c.Shorter questionnaires are more likely to be completed

What level of measurement is most often used with inferential statistical testing? a.nominal b.discrete c.ratio d.ordinal

c.ratio

A student nurse makes the following statement: "I will consider the results of the study as I make decisions with the implementation step of the nursing process for my patient." The statement is an indication of what major concept in relating evidence to nursing practice: a. correlation b. standard deviation c .statistical significance d. clinical significance

d. clinical significance

The nurse has a proposed study to determine the effect of yoga on patients with a diagnosis of hypertension. The nurse needs to determine the number of participants needed for the study, which of the following is the best way to determine the sample size to best detect the effect of yoga on hypertension? a.Significance level b.Effect Level c.Attrition rate d.Power analysis

d. power analysis

_____ is best defined as highest level of measurement that involves numeric values that begin with an absolute zero and have equal intervals. a.Nominal b.Ordinal c.Interval d.Ratio

d. ratio

The nurse researcher is designing a study, which will use a questionnaire with a scale to get data from participants. To ensure best practice the design will use what type of scale? a.A new untested scale designed for the study b.A likert scale c.A visual analog scale d.A previously tested reliable scale

d.A previously tested reliable scale

The nurse researcher wants to obtain a random sample for a research study. Which one of the following is not an appropriate method for obtaining a random participant sample? a.Using computer software for a random sample b.Drawing names out of a container c.A random numbers table assigning numbers to potential participants d.Asking for volunteer participants and taking all volunteers

d.Asking for volunteer participants and taking all volunteers

Which of the following are factors, which may affect data collection, except: a.Participant availability b.Access to preexisting instruments c.Cost of collecting data d.Data processing software

d.Data processing software

This type of data is the lowest level of measurement whereby data are categorized simply into groups. a.Categorical data b.Levels of measurement c.Interval data d.Ordinal data

a. categorical data

Which type of statistics explains characteristics of variables found in a sample and describes, summarizes, and synthesizes collected data? a.Descriptive b.Inferential c.Explanatory d.Intuitive

a. descriptive

Internal consistency is best defined as: a.Attribute of reliability when all items on an instrument measure the same concept b.Attribute of reliability where alternate forms of an instrument or alternate raters are in agreement c.The degree to which one can conclude that the independent variable produced changes in the dependent variable. d.Test for instrument reliability when new instruments are given at two different times under the same conditions

a.Attribute of reliability when all items on an instrument measure the same concept

Continuous data is best defined as: a.Interval or ratio-level data that use a continuum of numeric values with equal intervals b.Nominal or ordinal data that use a continuum of numeric values with equal intervals c.Categorical data that use a continuum of numeric values with equal intervals d.Levels of measurement data that use a continuum of numeric values with equal intervals

a.Interval or ratio-level data that use a continuum of numeric values with equal intervals

The nurse researcher has written out description of the proposed study participants and how the participants will be recruited; this is the definition of: a.Sampling plan b.Sampling c.Participation plan d.Population plan

a.Sampling plan