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A randomized trial of natural frequency tree vs conditional probability in medical students' reasoning predictive values of diagnostic test results

A randomized trial of natural frequency tree vs conditional probability in medical students' reasoning predictive values of diagnostic test results

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CRIS
Registry ID
KCT0004246
Enrollment
120
Registered
2019-08-27
Start date
2019-09-23
Completion date
Unknown
Last updated
2020-01-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Others : The subjects are randomly assigned either to an experimental group (i.e., Natural Frequency Tree group) or an active comparator group (i.e., Conditional Probability group) to watch an educati
active comparator group video: https://youtu.be/AeYxsdygHCM

Sponsors

Seoul National University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: ? Male and female medical school students ? Holding a bank account in his or her own name and agreeing to provide personal information that are necessary to receive financial compensation for research participation through a wire transfer (i.e., resident registration number, position, affiliation, bank name, account number, and mobile phone number) ? Agreeing to provide e-mail address and mobile phone number that are necessary to receive a follow-up survey invitation.

Exclusion criteria

Exclusion criteria: ? Younger than 19 years old. ? Not agreeing with all aspects of the study protocol and methods

Design outcomes

Primary

MeasureTime frame
Ability to understand positive predictive value and negative predictive value of diagnostic tests;Knowledge/beliefs about cancer screening;Attitude toward cancer screening;Perception of the need for national cancer screening program;Intention to recommend cancer screening

Secondary

MeasureTime frame
Source of difficulty in calculating positive predictive value and negative predictive value of diagnostic tests;Whether students apply knowledge and skills learned by viewing the education video;Attitude toward deregulation of DTC (Direct-to-consumer) genetic testing;Training transference;Mental workload experienced by medical students when taking quizzes about positive predictive value and negative predictive value of diagnostic tests

Countries

Korea, Republic of

Contacts

Public ContactSoela Kim

Seoul National University

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 6, 2026