The group of people you study in research.
What is the population?
A design used to collect data by asking questions to a group of people.
What is a survey design?
A design used to test the effect of one variable on another.
What is experimental design?
A study tests whether drinking more water improves memory test scores.
IV = Amount of water consumed
DV = Memory test scores
The smaller group you select to participate in your study.
What is the sample?
This term describes how consistently a survey measures what it’s intended to measure.
What is reliability?
The variable the researcher changes in an experiment.
What is the independent variable?
Researchers study if the amount of sleep affects students' test performance.
IV = Amount of sleep
DV = Test performance
The plan for how you will measure your variables.
What is the instruments section?
This type of survey question lets respondents answer in their own words, providing detailed and unrestricted responses.
What is an open-ended question?
The group that does not receive the treatment in an experiment.
What is the control group?
A study looks at whether different types of music influence heart rate during exercise.
IV = Type of music
DV = Heart rate during exercise
The section that explains how you will analyze your data.
What is the data analysis plan?
The type of questions in surveys that allow participants to choose from fixed answers like “Yes” or “No.”
What are closed-ended questions?
When participants are randomly assigned to groups.
What is random assignment?
Researchers examine if attending a study skills workshop improves college GPA.
IV = Attendance at study skills workshop
DV = College GPA
The overall purpose of a quantitative method section.
What is to explain your study in enough detail so others can repeat it?
One advantage of survey research.
What is it can collect data from a large group quickly?
The goal of experimental design.
What is to test cause and effect?
Scientists test if using a mindfulness app reduces reported stress levels.
IV = Use of mindfulness app
DV = Reported stress levels