Section: Module 4: Lesson 3: Power and Sample Size | Biostatistics

Section: Module 4: Lesson 3: Power and Sample Size | Biostatistics | NextGenU.org

Learning Objective

Understand factors that affect study power and sample size requirements, and how they impact study design.

Approximate time required for the readings in this lesson (at 144 words/minute): 2 hours

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- Select activity Required Learning Resources and Activities
  
  Required Learning Resources and Activities
- Select activity Sample size, power and effect size (80 mins)
  
  Sample size, power and effect size (80 mins) URL
  
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- Select activity Sample Size Estimation in Clinical Trial (16 mins)
  
  Sample Size Estimation in Clinical Trial (16 mins) URL
  
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  Understand factors that affect study power and sample size requirements, and how they impact study design.
- Select activity Quiz: Module 4: Lesson 3
  
  Quiz: Module 4: Lesson 3
  
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  To access the quiz, click on the name of the quiz provided above. On the following screen, click the "Preview quiz now" button to view the case studies and respond to the questions.
- Select activity Additional Learning Options
  
  Additional Learning Options
- Select activity Biostatistics Series Module 5: Determining Sample Size (43 mins)
  
  Biostatistics Series Module 5: Determining Sample Size (43 mins) URL
  
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- Select activity How to Calculate Sample Size for Different Study Designs in Medical Research (35 mins)
  
  How to Calculate Sample Size for Different Study Designs in Medical Research (35 mins) URL
  
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- Select activity Sample Size Calculations: Basic principles and common pitfalls (43 mins)
  
  Sample Size Calculations: Basic principles and common pitfalls (43 mins) URL
  
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Introduction

Course Registration

Peer Corner

Pre-test

Module 1: The Basics of Biostatistics

Module 1: Lesson 1: Introduction to Biostatistics

Biostatisticians: Do You Know What They Do? (4 minutes)

Johns Hopkins Bloomberg School of Public Health – Statistics for laboratory scientists I (5 mins)

Basic statistical tools in research and data analysis (22 mins)

Biostatistics

Module 1: Lesson 2: Types of Variables, Plots, and Graphs

Levels of Measurement (15 mins)

Introductory Statistics (80 mins)

Chapter 4 – Exploratory Data Analysis (20 mins)

Chapter 2 – Defining and Classifying Data Variables (20 mins)

Quiz: Module 1: Lesson 2

Types of Variables (14 mins)

Module 1: Lesson 3: Descriptive Statistics and Distribution

Chapter 4 – Exploratory Data Analysis (25 mins)

One Categorical Variable (13 mins)

Statistics by Example (35 mins)

4.2 – The Normal Curve (10 mins)

Quiz: Module 1: Lesson 3

Introductory Statistics (45 mins)

Module 1: Lesson 4: Data Analysis and Study Design

Dr. Elizabeth Newton – 15.075, Applied Statistics (15 mins)

Importance of using basic statistics adequately in clinical research (26 mins)

Webinar Using Data to Guide and Evaluate Responses to the Opioid Crisis Rhode Island's Drug Overdose

Peer-to-Peer Activity

Mentored Activity

Quiz: Module 1: Lesson 4

2.7 – Statistical Ethics (2 mins)

Module 2: Probability and Sampling Distributions

Module 2: Lesson 1: Probability, Frequency, and the Concepts of Probability

Introduction to Probability (30 mins)

Introductory Statistics (25 mins)

Basic Probability Rules (40 mins)

Introductory Statistics (40 mins)

Quiz: Module 2: Lesson 1

Johns Hopkins Bloomberg School of Public Health – Probability (15 mins)

Johns Hopkins Bloomberg School of Public Health – Probability Concepts (35 mins)

Module 2: Lesson 2: Variables, Sampling, and Distribution

Unit 3B: Random Variables (80 mins)

3.2.2 – Binomial Random Variables (15 mins)

Sampling (30 mins)

Inferential Statistics (15 mins)

Chapter 3 - Review of Probability (105 mins)

Introduction to Sampling Distributions (20 mins)

Central Limit Theorem (11 mins)

The Sampling Distribution (10 mins)

Normal Random Variables (80 mins)

1.5.1 – Measures of Central Tendency (30 mins)

Asynchronous Learning Activity: Probability and Sampling Distributions Problem Set

Quiz: Module 2: Lesson 2

Module 3: Confidence Intervals

Module 3: Lesson 1: Point and Confidence Interval Estimation

Introduction to Estimation (30 mins)

4.2 – Introduction to Confidence Intervals (7 mins)

Introductory Statistics (60 mins)

Module 5: Interval Estimation (9 mins)

Basic Concepts of Inference (60 mins)

Quiz: Module 3: Lesson 1

9.1 – Confidence Intervals for a Population Proportion (13 mins)

Module 3: Lesson 2: Effect of Sample Size on Confidence Interval

Power and Sample Size Determination (30 mins)

Confidence Intervals Introduction (30 mins)

Quiz: Module 3: Lesson 2

Module 4: Hypothesis Testing

Module 4: Lesson 1: Principles of Hypothesis Testing

S.3 Hypothesis Testing (45 mins)

Significance Testing (15 mins)

1.1.2 – Explanatory and Response Variables (3 mins)

10.1 – Setting the Hypotheses: Examples (9 mins)

Significance Testing and Confidence Intervals (7 mins)

Quiz: Module 4: Lesson 1

Biostatistics Series Module 2: Overview of Hypothesis Testing (26 mins)

7.1.5. What is the relationship between a test and a confidence interval? (2 mins)

Module 4: Lesson 2: Applications of Hypothesis Testing

Introductory Statistics (60 mins)

Introductory Statistics (30 mins)

Lesson 3: SLR Estimation & Prediction (30 mins)