Khan Academy
Khan Academy: Statistical and Non Statistical Questions
A statistical question is one that can be answered by collecting data and where there will be variability in that data.
Khan Academy
Khan Academy: Introduction to Experiment Design
Introduction to experiment design. Explanatory and response variables. Control and treatment groups.
Khan Academy
Khan Academy: Chi Square Statistic for Hypothesis Testing
Chi-square statistic for hypothesis testing (chi-square goodness-of-fit test).
Khan Academy
Khan Academy: Worked Example Identifying Sample Study
Worked example identifying sample study.
Sophia Learning
Sophia: Experimental Design: Lesson 3
This lesson will explain the three principles of experimental design. It is 3 of 4 in the series titled "Experimental Design."
Sophia Learning
Sophia: Experiments and Causality: Lesson 5
This lesson discusses causality and experiments. It is 5 of 5 in the series titled "Experiments and Causality."
Sophia Learning
Sophia: Samples: Lesson 2
Here we explore the definition of a sample in terms of statistics. This lesson is 2 of 4 in the series titled "Samples."
Sophia Learning
Sophia: Samples: Lesson 4
Here we explore the definition of a sample in terms of statistics. This lesson is 4 of 4 in the series titled "Samples."
Sophia Learning
Sophia: Within Group Design Challenges
In this lesson, students will learn about advantages and disadvantages to within group experimental designs.
Sophia Learning
Sophia: Double Blind Experiments: Lesson 1
This lesson goes over the elements of a double blind experiment. It is 1 of 4 in the series titled "Double Blind Experiments."
Sophia Learning
Sophia: Double Blind Experiments: Lesson 2
This lesson goes over the elements of a double blind experiment. It is 2 of 4 in the series titled "Double Blind Experiments."
Sophia Learning
Sophia: Evaluating Within Group Designs: Lesson 1
In this lesson, students will learn how to assess the validity of a within group design. It is 1 of 6 in the series titled "Evaluating Within Group Designs."
Sophia Learning
Sophia: Evaluating Within Group Designs
In this lesson, students will learn how to assess the validity of a within group design.
Sophia Learning
Sophia: Experimenter Bias: Lesson 1
This lesson introduces the concept of experimenter bias and how it can impact an experiment. It is 1 of 4 in the series titled "Experimenter Bias."
Sophia Learning
Sophia: Experimenter Bias: Lesson 2
This lesson introduces the concept of experimenter bias and how it can impact an experiment. It is 2 of 4 in the series titled "Experimenter Bias."
Sophia Learning
Sophia: Sample and Population
Discover the difference between a sample and a population and how they are used in surveys. Assess learning with a quiz. [2:26]
Study Pug
Study Pug: Influencing Factors in Data Collection
The results of researches are heavily affected by the process of data collection. However, the process is prone to errors. For example, biased and misleading survey questions, and leading survey questions can all affect the results...