wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Evidence Final Exam Practice

Total questions: 142

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

The importance of research in the profession of nursing is mainly to

a)

Establish a solid base of evidence for nursing practice.

b)

Find new drugs

c)

Remember nursing history

d)

Compete with other professions

2.

Who would be best served by the development of a solid scientific base for nursing practice?

a)

The health institution

b)

The nurse

c)

The nurse’s clients

d)

Minority groups

3.

A best source of evidence for nursing practice is:

a)

Authorities (specialists)

b)

International rates of diseases

c)

The nurse’s own clinical experience

d)

Disciplined Research

4.

It is true in relation to a Positivist Paradigm. Select all that apply:

a)

Researchers believe that reality exists independent of human observation.

b)

Researchers believe that a phenomenon have natural, antecedent causes.

c)

Researchers focus on subjective data.

d)

Researchers use statistics to analyze the data.

5.

It is true about a positivist scientific method, EXCEPT

a)

Quantitative researchers gather empirical evidence

b)

Quantitative research focus on understanding the human experience as it is lived

c)

Quantitative researchers are independent of those being studied

d)

Quantitative studies data are gathered systematically, using formal instruments to collect needed information

6.

The following research question was addressed in what type of study? “What is it like for women to be the victims of physical abuse?”

a)

Qualitative

b)

Quantitative

7.

The following research question was addressed in what type of study? “What does it mean to a patient to receive a diagnosis that he or she has colon cancer?”

a)

Qualitative

b)

Quantitative

8.

The following research question was addressed in what type of study? “Do the babies of women who do not get prenatal care have lower birth weights than other babies”

a)

Qualitative

b)

Quantitative

9.

The following research question was addressed in what type of study? “What is the effect of a nursing smoking cessation intervention on the number of cigarettes that patients smoke?”

a)

Qualitative

b)

Quantitative

10.

 

Purposes of Nursing research are:

a)

Evaluate a treatment

b)

Assessment of a procedure

c)

Investigate risks of a health problem

d)

All are correct

11.

 

Evidence Based Practice integrates. Select all that apply:

a)

The traditions

b)

The best scientific evidence

c)

The patient values

d)

The clinical experience

12.

For the following research question, identify the component that is underlined as either the P, I, C, or O component: “Among community-dwelling elders, does fear of falling affect their quality of life?”

a)

P

b)

I

c)

C

d)

O

13.

For the following research question, identify the component that is underlined as either the P, I, C, or O component: “Does amount of social support among women with multiple sclerosis affect disability to a greater degrees than illness duration?”

a)

P

b)

I

c)

C

d)

O

14.

_________ are at the pinnacle of many evidence hierarchies

a)

Case-Control study

b)

Systematic Review of Randomized Controlled Trials (RCTs)

c)

Randomized Controlled Trials (RCTs)

d)

In-Depth Qualitative Study

15.

For the following research question, identify the component that is underlined as either the P, I, C, or O component: “Among children age 5 to 10 years, does participation in the metropolitan Youth Fitness Initiative result in better cardiovascular fitness than participation in routine school play activities?”

a)

P

b)

I

c)

C

d)

O

16.

For the following research question, identify the component that is underlined as either the P, I, C, or O component: “Does chronic stress contribute to fatigue among patients with a traumatic head injury?”

a)

P

b)

I

c)

C

d)

O

17.

For the following research question, identify the component that is underlined as either the P, I, C, or O component: “Among older adults in a long-term care setting, does a reminiscence program reduce depressive symptoms?”

a)

P

b)

I

c)

C

d)

O

18.

For the following research question, identify the component that is underlined as either the P, I, C, or O component: “Among clients undergoing methadone maintenance therapy, are men more likely than women to be heavy cigarette smokers?”

a)

P

b)

I

c)

C

d)

O

19.

For the following research question, identify the component that is underlined as either the P, I, C, or O component: “Does family involvement in diabetes management affect glucose control among immigrants with Type 2 diabetes?”

a)

P

b)

I

c)

C

d)

O

20.

In a qualitative study entitled “Parental adaptation to childhood leukemia” which is the independent variable?

a)

Childhood leukemia

b)

Parents

c)

there is no independent variable

d)

Adaptation

21.

Which qualitative research tradition involves the discovery of a core variable that is central in explaining what is going on in a social scene?

a)

Phenomenology

b)

Philology

c)

Ethnography

d)

Grounded theory

22.

The term subject is used in:

a)

Quantitative research

b)

Qualitative research

c)

Both quantitative and qualitative research

d)

Neither quantitative nor qualitative research

23.

Which study title could not use an experimental design?

a)

The effect of exercise on self-esteem in adolescents

b)

The effect of diet on sleep patterns in older men

c)

The effect of body position on dyspnea in patients with COPD

d)

The effect of age on pulmonary complications in surgical patients

24.

Which statement expresses a relationship?

a)

Mechanically ventilated patients with a symptom of dyspnea experience difficulties weaning

b)

High levels of fatigue and depression are experience by family caretakers of Alzheimer’s patients

c)

Infant mortality among children of low-income women is relatively high

d)

People who smoke have higher rates of absenteeism from work than people who do not smoke

25.

Which step would not be undertaken in a nonexperimental quantitative study?

a)

Determining the number of subjects to recruit

b)

Undertaking a literature review

c)

Developing methods for safeguarding human subjects

d)

Developing an intervention protocol

26.

What is the first phase in the research process for a quantitative study?

a)

The empirical phase

b)

The conceptual phase

c)

The design phase

d)

The analytic phase

27.

In a phenomenological study, which is an example of data?

a)

What is the essence of the phenomenon of struggling with a mental illness?

b)

I didn’t want to get out of bed, I was afraid to face the world

c)

The lived experience of having a terminal illness

d)

110.0 mg/dl

28.

Which step is more characteristic of a qualitative than a quantitative study?

a)

Undertaking clinical fieldwork

b)

Training people who collect the data

c)

Using data saturation to determine sample size

d)

Developing an intervention protocol

29.

 

In which phase does a quantitative researcher collect and code the data?

a)

The empirical phase

b)

The conceptual phase

c)

The design phase

d)

The analytic phase

30.

Which is a possible cost of participating in a study?

a)

Being distressed by researcher intrusiveness

b)

Becoming a vulnerable subject

c)

Being required to participate in meetings of an Institutional Review Board (IRB)

d)

Having to pay a stipend

31.

Women interviewed in a study about mastectomy are told that the information they provide will not be individually divulged. This is called:

a)

Freedom from harm or exploitation

b)

Informed consent

c)

Anonymity

d)

Confidentiality

32.

When information about ethical procedures in a journal article is limited, which single statement would provide readers with some assurance that human subjects were protected?

a)

A statement that a Certificate of Confidentiality was obtained

b)

A statement that informed consent was obtained

c)

A statement that data were collected anonymously

d)

A statement that the study was approved by an IRB or similar committee

33.

Unmarked questionnaires are distributed to a class of nursing students. The instructions indicate that responses will not be individually divulged. This is called:

a)

Freedom from harm or exploitation

b)

Informed consent

c)

Anonymity

d)

Confidentiality

34.

When researchers perform a risk/benefit assessment of a study’s ethical dimensions, what risks and benefits should they be considering?

a)

The risks of the study to participants, against the benefits of the study to both participants and society

b)

The risks of the study to participants, against its benefits to the nursing profession

c)

The risks and costs of the study to the institution sponsoring the study, against the benefits for the institution (e.g., cost savings)

d)

The risks of the study to participants, against the benefits of the study to the researcher’s career

35.

Which ethical safeguard is exemplified I the following? “Study participants in a qualitative study of the experience of living with chronic obstructive pulmonary disease renegotiate the terms of their participation each time they are interviewed.”

a)

Anonymity

b)

Review by an Institutional Review Board (IRB)

c)

Informed consent

d)

Freedom from harm or exploitation

36.

What does informed consent imply?

a)

All possible information about a study has been given to study participants

b)

Study participants are able to understand the information given to them about the study before agreeing to participate

c)

Researchers consent to inform study participants about their rights and responsibilities

d)

Study participants forfeit their right to withdraw from a study after signing the consent form

37.

Who would be a member of a vulnerable group?

a)

A postoperative male patient, 71 years of age

b)

An ex-convict, male, 25 years of age

c)

A mastectomy patient, age 35 years, discharged 3 days postoperatively

d)

A pregnant female, 22 years of age

38.

Which ethical principle does the maxim “above all, do no harm” exemplify?

a)

Right to self-determination

b)

Beneficence

c)

Anonymity

d)

Justice

39.

Which is a possible cost of participating in a study?

a)

Being distressed by researcher intrusiveness

b)

Becoming a vulnerable subject

c)

Being required to participate in meetings of an Institutional Review Board (IRB)

d)

Having to pay a stipend

40.

In which section of a research report does the author summarize the study’s background, methods, findings, and conclusions?

a)

The introduction

b)

The results section

c)

The abstract

d)

The discussion

41.

Which strategy is used by quantitative researchers to enhance rigor and reduce bias?

a)

Reliability

b)

Randomness

c)

The passive voice

d)

Reflexivity

42.

In assessing the degree to which the findings of a quantitative study are accurate and valid, which dimension would be especially important to critique?

a)

Ethical

b)

Interpretive

c)

Substantive

d)

Methodologic

43.

In which section of a research report would the following sentence most likely appear? “It was hypothesized that social support is positively related to psychological adjustment following a mastectomy”

a)

The method section

b)

The introduction

c)

The results section

d)

The discussion

44.

Which aspect should not be considered in critiquing the strength of evidence in a qualitative study?

a)

Reliability

b)

Trustworthiness

c)

Credibility

d)

Transferability

45.

What is a major purpose of a research critique?

a)

To summarize the main features of a study

b)

To identify areas of adequacy and inadequacy in a study so that conclusions can be drawn about the quality of the study’s evidence

c)

To encourage researchers to continue their line of inquiry

d)

To identify and expose mistakes of a study

46.

Why are reports on quantitative studies more difficult to comprehend than reports on qualitative studies?

a)

Qualitative reports are much shorter

b)

Qualitative reports do not use research jargon

c)

Qualitative research focuses on more concrete phenomena

d)

Quantitative reports typically present statistical information that may be intimidating

47.

The variable that needs to be controlled – that is, eliminated or held constant – in a quantitative study is the:

a)

Outcome variable

b)

Dependent variable

c)

Independent variable

d)

Confounding variable

48.

Statistical tests are basically used  to:

a)

Evaluate the reliability of study findings

b)

Prove the researcher’s hypotheses

c)

Demonstrate researcher competence

d)

Demonstrate rigor

49.

In which section of a research report does the author describe data collection strategies?

a)

The results section

b)

The introduction

c)

The method section

d)

The discussion

50.

In displaying bibliographic information for a journal article, which datum is not included in an electronic database entry?

a)

Year study was conducted

b)

Title of the report

c)

Author(s)

d)

Year study was published

51.

“A person’s income is related to his or her difficulty in accessing heath care.” This sentence is:

a)

Research hypothesis – directional

b)

Research hypothesis-nondirectional

c)

Null hypothesis

d)

Not a testable hypothesis as stated

52.

“Many nursing students are interested in obtaining advance degrees.” This sentence is:

a)

Research hypothesis – directional

b)

Research hypothesis-nondirectional

c)

Null hypothesis

d)

Not a testable hypothesis as stated

53.

“There is no relationship between women’s participation in prenatal classes and the heath outcomes of their infants.” This sentence is:

a)

Research hypothesis – directional

b)

Research hypothesis-nondirectional

c)

Null hypothesis

d)

Not a testable hypothesis as stated

54.

“First-born infants have higher concentrations of estrogens and progesterone in umbilical cord blood than do later born infants.” This sentence is:

a)

Research hypothesis – directional

b)

Research hypothesis-nondirectional

c)

Null hypothesis

d)

Not a testable hypothesis as stated

55.

The MEDLINE database can be accessed for free through ________

a)

Author

b)

PubMed

c)

CINAHL

56.

When doing a database search, one begins with one or more _____

a)

Keywords

b)

titles

c)

authors

d)

websites

57.

A research journal article written by the researchers who conducted a study is a(n) ______ source for a research review:

a)

Primary

b)

Secondary

c)

Electronic

d)

Qualitative

58.

In which qualitative research tradition is a literature review least likely to be done prior to going into the field to collect data?

a)

Ethnography

b)

No major qualitative research tradition does a literature review at the outset

c)

Phenomenology

d)

Grounded theory

59.

To a nurse seeking evidence on a question, a literature review article in a journal would be considered:

a)

Bibliographic database

b)

A secondary source

c)

A primary source

d)

A descendant in the descendancy approach

60.

“Psychiatric patients’ adherence to social rules is related to their violent behavior” is:

a)

A null hypothesis

b)

Not a hypothesis as stated

c)

A nondirectional research hypothesis

d)

A directional research hypothesis

61.

Which should the nurse not include in a written research review of the literature?

a)

Extensive quotes from the original studies under review

b)

The reviewer’s critical appraisal about the quality of existing research

c)

Identification of gaps in the literature

d)

A full list of references

62.

What is a major purpose of doing a literature review?

a)

Developing bibliographic skills

b)

Developing critical thinking skills

c)

Developing research skills

d)

Establishing the state of existing evidence on a topic

63.

Hypotheses to be tested are frequently articulated in:

a)

Neither qualitative nor quantitative studies

b)

Quantitative studies

c)

Qualitative studies

d)

Both qualitative and quantitative studies

64.

“Hypertensive patients who undergo a biofeedback self-management training program will have lower blood pressure readings than patients who do not 3 months after the start of the program.” This sentence could best be described as a:

a)

Hypothesis

b)

Research question

c)

Statement of purpose

d)

Problem statement

65.

In the hypothesis “there is a difference between elderly study participants with sedentary lifestyle and elderly study participants with active lifestyle in the elders’ perceived level of self-efficacy,” which is the independent variable?

a)

Age

b)

Type of lifestyle

c)

Perceived self-efficacy

d)

Elderly study participants

66.

“The goal of this study was to examine the influence of uncertainty on emotional distress and recovery following myocardial infarction (MI).” This sentence could best be described as a:

a)

Problem statement

b)

Statement of purpose

c)

Research question

67.

What does a hypothesis express when stated in the null form?

a)

The expected absence of a relationship between variable

b)

The expected magnitude of a relationship between variable

c)

The expected direction of a relationship between variables

d)

The expected existence of a relationship between variables

68.

Which statement would be best described as a statement of purpose for a quantitative study?

a)

The purpose is to develop a protocol to address the needs of alcoholic pregnant women.

b)

The goal is to compare the prevalence of domestic violence among low-income women living in urban versus rural areas

c)

The goal is to explore the process of transitioning from nonparenthood to parenthood

d)

The purpose is to describe the lived experience of confusion I older people living in a nursing home.

69.

In the hypothesis “Postmenopausal women who are employed full-time are less likely to practice breast self-examination than those who are not employed full-time,” which is the outcome (dependent) variable?

a)

Menopausal status of the women

b)

Breast self-examination practice

c)

Employment status

d)

Gender

70.

A key threat to internal validity, stemming from preexisting group differences is the:

a)

Random threat

b)

External threat

c)

Selection threat

71.

Intervention studies in which there is no randomization to treatment conditions are called:

a)

Retrospective

b)

Case-control

c)

Quase-experiments

d)

Experiment

72.

A study which has a nonexperimental design involving the comparison of a case and a matched counterpart is:

a)

Case-control study

b)

Qualitative study

c)

Descriptive study

73.

Data are collected a single point in time in a study called:

a)

Cross sectional study

b)

Prospective

c)

Longitudinal

74.

The type of validity referring to the generalizability of results is:

a)

External validity

b)

Internal validity

c)

Reliability

75.

The degree to which it can be inferred that the independent variable caused or influenced the outcome variable is:

a)

External validity

b)

Internal validity

c)

Reliability

76.

In a prospective (cohort) design, it is correct to say that:

a)

data about causes are collected before data about effects

b)

data are collected at a single point in time

c)

data is called narratives

77.

The techniques of randomization, homogeneity, and matching are called:

a)

Description

b)

Research control

c)

Research validity

78.

Researches use the strategy of _________________ (or masking) to guard against expectations biases.

a)

Blinding

b)

Controlling

c)

Selecting

79.

 

The allocation of subjects to groups by chance is called:

a)

Blinding assignment

b)

Random assignment

c)

Control assignment

80.

The conceptual underpinnings of a study is known as its ___________________________

a)

Framework

b)

Literature Review

81.

The loss of subjects from a study over time is called:

a)

Control

b)

Crossover

c)

Attrition

82.

This design refers to a study in which the same subjects are exposed to two or more condition in random order:

a)

Crossover

b)

Case-control

c)

Descriptive

83.

Good research design in quantitative studies involves achieving four types of:

a)

Validity

b)

Selection

c)

Control

84.

The four elements in conceptual models of nursing are. Select all that apply:

a)

Human beings

b)

Environment

c)

Nursing

d)

Health

e)

Behavior

85.

A mechanism for representing concepts with a minimal use of words is called:

a)

Schematic Model

b)

Planned behavior

86.

A theory that focuses on a specific aspect of human experience is sometimes called ___________

a)

Middle range

b)

Grand theory

87.

A theory that thoroughly accounts for or describes a phenomenon is called:

a)

Adaptation

b)

Descriptive

88.

Abstractions assembled because of their relevance to a core theme form a _______

a)

Transtheoretical model

b)

Conceptual model

89.

Qualitative designs that require an ongoing analysis of data to suggest profitable new strategies are called:

a)

Historical

b)

Interpretative

c)

Emergent

90.

Grounded theorists use an analytic strategy called:

a)

Historical research

b)

Constant comparison

c)

Interpretation

91.

In Qualitative studies, the systematic collection and analysis of materials relating to the past is known as:

a)

Ethnographical research

b)

Historical research

c)

Phenomenological research

92.

Grounded theory researchers often identify a social process that explains how people resolve a problem:

a)

Basic social process (BSP)

b)

Interpretative social process (ISP)

93.

To hold in abeyance their presuppositions about a phenomenon, Descriptive phenomenologists use the strategy called:

a)

Bracketing

b)

Randomization

c)

Interpretation

94.

Interpretive phenomenology (Hermeneutics)  focuses on:

a)

The meaning of experiences

b)

The culture of the participants

c)

The incidence of a specific disease

95.

A phenomenological question is:

a)

What is the essence of this phenomenon

b)

What is the probability of this event?

c)

What is the historical context of this phenomenon?

96.

What kind of experiences Phenomenologists study?

a)

Historical experiences

b)

Clinical experiences

c)

Lived experiences

97.

An ethnography that studies small units in a group or culture is called:

a)

Group ethnography

b)

Focused ethnography

98.

Ethnographers typically undertake ______________ observation as a data collection strategy during their fieldwork:

a)

Historical

b)

Participant

99.

A type of sampling that involves recruiting every eligible person over a specified period of time.

a)

Quota

b)

Consecutive

c)

Convenience

100.

 

Probability sampling involves the selection of samples members:

a)

At random

b)

Conveniently

c)

In groups

101.

The most widely used type of sampling in quantitative research:

a)

Systematic sampling

b)

Convenience sampling

c)

Strata

102.

In quantitative studies, the key criterion for evaluating a sample is its:

a)

Representativeness of the population

b)

The results of the study

103.

The broad class of sampling in which every element of a population has an equal chance of being selected is:

a)

Probability sampling

b)

Systematic sampling

104.

A sampling that involves sampling by convenience, but within specified subgroups of the population, to enhance representativeness, is:

a)

Quota sampling

b)

Consecutive sampling

c)

Random sampling

105.

Subdivisions of a population are called:

a)

Groups

b)

Strata

c)

Bias

106.

An aggregate set of people /objects with specified characteristics is a:

a)

Sample

b)

Population

c)

Quota

107.

The total number of participants in a study is known as the study’s:

a)

Sample size

b)

randomization

c)

systematic sampling

108.

Specifications for a population are identified in the:

a)

Eligibility criteria

b)

Random criteria

c)

Groups

109.

 

The type of research that integrates qualitative and quantitative data is

a)

Two-types research

b)

Mixed methods research

c)

Qualitative research

110.

When a researcher uses existing data to answer new questions, this is called

a)

Primary analysis

b)

Secondary analysis

c)

Survey

111.

The type of study that focuses on developing or improving research strategies is called:

a)

Methodological study

b)

Clinical trial

c)

Mixed methods

112.

A multiphase effort to refine and test the effectiveness of a clinical treatment is called:

a)

Experiment

b)

Mixed methods

c)

Clinical trial

113.

The paradigm most often associated with mixed methods research is called:

a)

Qualitative

b)

Positivism

c)

Pragmatism

114.

In mixed methods research, the design notation of a plus sign (+) designates a design that is:

a)

Concurrent

b)

Sequential

115.

In mixed methods research, the design notation of an arrow (à)designates a design that is:

a)

Concurrent

b)

Sequential

116.

The notation QUAL à quan signifies a design in which:

a)

Qualitative data are collected first

b)

Quantitative data are collected first

117.

In the notation QUAL + quan, the dominant strand is the:

a)

Quantitative component

b)

Qualitative component

118.

A type of sampling based on referrals from early participants is a:

a)

Snowball (network) sampling

b)

Convenient sampling

c)

Systematic sampling

119.

Data are recorded in logs and field notes:

a)

Observation

b)

Self-report

120.

Is the primary source of data in phenomenological research:

a)

Observation

b)

Self-report

121.

A technique for gathering in-depth information from 5 to10 informants simultaneously is called:

a)

Focus group interview

b)

Semi structured interview

c)

Group interview

122.

A completely unstructured interview typically begins with a question to begin an undirected conversation. This question is called:

a)

Structured question

b)

Direction

c)

Grand tour

123.

An interview that is guided by an established list of topics or broad questions is:

a)

Semi structured

b)

Directed

c)

Unstructured

124.

The principle used by qualitative researchers to determine when to stop sampling is called:

a)

Sample size

b)

Data saturation

c)

Convenient sampling

125.

A type of purposive sampling that involves deliberate attempts to draw from diverse groups is

a)

Maximum variation sampling

b)

Strata sampling

c)

Quota sampling

126.

A sampling approach in which participants are intentionally selected by the researches to fulfill the needs of the study is known as:

a)

Convenient sampling

b)

Purposive sampling

c)

Strata

127.

A sampling that is preferred by grounded theory researches:

a)

Historical sampling

b)

Quota sampling

c)

Theoretical sampling

128.

The nurse knows the student is not correct when saying:

a)

Sample size is a major concern in Quantitative studies

b)

Quantitative studies seek larger samples because larger samples have less sampling error.

c)

In Quantitative research, a small sample size is associated with low statistical power

d)

In Quantitative research, a large sample size is associated with low reproducibility

129.

When reading a research journal article, the nursing student knows that the research design will be described in:

a)

The introduction

b)

The method section

c)

The discussion section

d)

The references

130.

he student knows that it is correct to say about a Theory. Select all that apply:

a)

A theory is an abstract generalization that explains how phenomena are interrelated

b)

Concepts are the building blocks of a theory

c)

A theory articulates relationships among phenomena

d)

A theory can be proved as well as a law.

131.

What type of theory focuses on more specific phenomena of interest?

a)

Grand theory

b)

Middle-range theory

c)

Shared theory

d)

Grounded theory

132.

The design that best reveal cause-and-effect relationship is:

a)

Quasi-experimental

b)

Cohort

c)

Experimental

d)

Descriptive

133.

The ability of an instrument to correctly identify a case is called:

a)

Specificity

b)

Sensitivity

c)

Efficacy

134.

The type of sampling more often used is:

a)

Consecutive sampling

b)

Convenient sampling

c)

Random Sampling

135.

In qualitative studies, a critical concern is to access:

a)

Information-rich sources of data

b)

Randomization

c)

Stratified sampling

136.

Which design can be adjusted to what is being learned during data collection?

a)

Quantitative design

b)

Qualitative design

c)

Probability design

137.

A nurse researcher is studying adolescents addicted to drugs. The researcher asks the early participants to refer others in the same conditions. This type of sampling is called:

a)

Theoretical sampling

b)

Concurrent sampling

c)

Stratified random sampling

d)

Snowball sampling

138.

Credibility in Qualitative researches is:

a)

The use of more than one method to collect data

b)

The confidence in the truth value of the data

c)

The statistical analysis resulting in a p value of 0.05

139.

In a normal distribution of results of Quantitative analysis, 95% of the values are:

a)

Within 2 standard deviations

b)

Within 3 standard deviations

c)

Within 5 standard deviations

140.

The mode in a Quantitative analysis is:

a)

The average

b)

The middle value

c)

The most frequent

141.

An Ethnographic study:

a)

Focuses on culture of a group of people

b)

Uses Hermeneutics

c)

Aims to develop theories about social processes

142.

A measurement error is:

a)

The scale to measure variation

b)

The difference between a true and obtained score

c)

The measurement of a construct