USMLE® Board Review Exam Apps & Resources

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Skyscape - USMLE® Question of the Week

A study is conducted to assess the relationship between smoking status and forced expiratory volume in one second (FEV1). Subjects are randomly selected and categorized based on smoking status. Group A consists of 200 nonsmokers, group B consists of 20 light smokers (1-7 cigarettes per day), group C consists of 20 moderate smokers (8-22 cigarettes per day), and group D consists of 20 heavy smokers (23+ cigarettes per day). FEV1, is quantitatively measured in all participants using properly calibrated office spirometers. Which of the following is the most appropriate statistical method to compare the mean FEV1, results among all 4 groups?

A	Analysis of variance

B	Chi-square test

C	Meta-analysis

D	Multiple logistic regression

E	Pearson correlation coefficient

F	Two-sample t-test

iOS & Android Apps

980+ total questions*

USMLE Step 2 CK with First Aid Q&A for the USMLE Step 2 CK

1000+ total questions*

450 Questions, Ans and Rationales

First Aid for the USMLE Step 1

Includes Netters Anatomy Atlas

Anatomy Flash Cards

* In app purchase required

Tutors

Use the World’s most popular USMLE® medical review books content in your program. With Skyscape App’s, students can study Anytime-Anywhere. Tutors can view students progress on a web dashboard. Email us for a demo and bulk purchase options.