Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Decision Making: P-value Method01:09

Decision Making: P-value Method

5.8K
The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim  is also stated. These statements can act as null and alternative hypotheses:  a null hypothesis would be a neutral statement while the alternative hypothesis can...
5.8K
Null and Alternative Hypotheses01:16

Null and Alternative Hypotheses

9.1K
The actual hypothesis testing begins by considering two hypotheses. They are termed  the null hypothesis and the alternative hypothesis. These hypotheses contain opposing viewpoints.
The null hypothesis, denoted by H0 is a statement of no difference between the variables—they are not related. This can often be considered the status quo. As  a result if you cannot accept the null, it requires some action.
The alternative hypothesis, denoted by H1 or Ha, is a claim about the...
9.1K
Decision Making: Traditional Method01:14

Decision Making: Traditional Method

4.4K
The process of hypothesis testing based on the traditional method includes calculating the critical value, testing the value of the test statistic using the sample data, and interpreting these values.
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
4.4K
Group Design02:01

Group Design

9.3K
The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between...
9.3K
Cognitive Dissonance01:38

Cognitive Dissonance

29.1K
Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
29.1K
Framing Effects03:26

Framing Effects

7.8K
Information is everywhere and its presentation—such as how and when items are presented—can impact our perceptions and decisions surrounding the info. This broad concept umbrellas framing effects—influences that occur due to the way information is framed in its appearance, whether it’s purely the order or the specific wording of a message. Let’s take a look at numerous ways in which two versions of something can objectively say the same thing, yet we respond in...
7.8K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Corrigendum to "Long term effectiveness of Solo+ TTD: A single step tympanostomy tube (TT) delivery device" [Int. J. Pediatr. Otorhinolaryngol. 198, (November 2025), 112567].

International journal of pediatric otorhinolaryngology·2026
Same author

Long Term effectiveness of Solo+ TTD: A single step tympanostomy tube (TT) Delivery device.

International journal of pediatric otorhinolaryngology·2025
Same author

Developing Recommendations to Improve Crisis Line Supports for Public Safety Personnel in Canada: Protocol for a Multimethod National Study.

JMIR research protocols·2025
Same author

Fava bean and buckwheat are sustainable food sources which support satiety and beneficially modulate several biomarkers, bacteria and metabolites associated with human health.

European journal of nutrition·2025
Same author

An Assessment of Radiotherapy and Surgery Utilisation and Health Outcomes, in Aboriginal and Non-Aboriginal People With Cancer in NSW, Australia, 2009-2018.

Journal of medical imaging and radiation oncology·2025
Same author

Effects of Endotracheal Weight-Based Epinephrine on Pharmacokinetics and Survival in Swine With a Cardiac Arrest.

Military medicine·2025

Related Experiment Video

Updated: May 3, 2026

Online Repetitive Transcranial Magnetic Stimulation of Dorsomedial and Dorsolateral Prefrontal Cortex in Cognition Decision Making, and Cognitive Dissonance
13:20

Online Repetitive Transcranial Magnetic Stimulation of Dorsomedial and Dorsolateral Prefrontal Cortex in Cognition Decision Making, and Cognitive Dissonance

Published on: December 5, 2025

1.4K

To change or not to change a multiple choice answer.

Don Johnson1, Susan Anderson, Sabine Johnson

  • 1US Army Graduate Program in Anaesthesia Nursing, Fort Sam Houston, Texas.

U.S. Army Medical Department Journal
|February 4, 2014
PubMed
Summary

Changing answers on multiple-choice tests is beneficial, contrary to common belief. Studies show students are more likely to change wrong answers to right, improving scores.

Area of Science:

  • Medical Education
  • Nursing Education
  • Educational Psychology

Background:

  • A prevalent misconception suggests changing answers on multiple-choice exams is disadvantageous.
  • Faculty may perpetuate this myth despite contradictory research findings.
  • Understanding answer-changing behavior is crucial for effective assessment in nursing education.

Purpose of the Study:

  • To investigate the answer-changing behaviors of nursing anesthesia students.
  • To evaluate the impact of answer modification on examination performance.
  • To provide evidence-based recommendations for student testing strategies.

Main Methods:

  • Analysis of answer-changing patterns in a cohort of nursing anesthesia students.
  • Statistical evaluation of the likelihood of changing answers from wrong to right versus right to wrong.

More Related Videos

Assessment and Communication for People with Disorders of Consciousness
07:37

Assessment and Communication for People with Disorders of Consciousness

Published on: August 1, 2017

11.4K
Exploring the Role of Deontic Reasoning and World Knowledge in Wason´s Selection Task
06:08

Exploring the Role of Deontic Reasoning and World Knowledge in Wason´s Selection Task

Published on: July 22, 2025

1.2K

Related Experiment Videos

Last Updated: May 3, 2026

Online Repetitive Transcranial Magnetic Stimulation of Dorsomedial and Dorsolateral Prefrontal Cortex in Cognition Decision Making, and Cognitive Dissonance
13:20

Online Repetitive Transcranial Magnetic Stimulation of Dorsomedial and Dorsolateral Prefrontal Cortex in Cognition Decision Making, and Cognitive Dissonance

Published on: December 5, 2025

1.4K
Assessment and Communication for People with Disorders of Consciousness
07:37

Assessment and Communication for People with Disorders of Consciousness

Published on: August 1, 2017

11.4K
Exploring the Role of Deontic Reasoning and World Knowledge in Wason´s Selection Task
06:08

Exploring the Role of Deontic Reasoning and World Knowledge in Wason´s Selection Task

Published on: July 22, 2025

1.2K
  • Utilizing data from a process improvement initiative within the US Army Graduate Program in Anesthesia Nursing.

    • Main Results:

    • The study found a 72% probability of students changing incorrect answers to correct ones.
    • Conversely, the likelihood of changing a correct answer to an incorrect one was 20%.
    • These findings align with extensive prior research on answer-changing benefits.

    Conclusions:

    • Changing answers on multiple-choice examinations is generally advantageous for students.
    • Educational institutions should inform students about the benefits of reviewing and changing answers.
    • Addressing misconceptions about answer changing can improve assessment outcomes in nursing programs.