Deductive Reasoning

Generating Hypotheses

Example of a Non-Testable Hypothesis

Example of a Hypothesis

Role of Hypothesis Testing in Theory Refinement

Sources of Hypotheses: Observation and Prior Research

The Scientific Standard for Establishing Causality: Controlled Experiments

A researcher is investigating the connection between the amount of time spent on a social media app and users' self-reported levels of happiness. The researcher starts with the general idea that excessive social media use might negatively affect well-being. Which of the following statements represents the most effective and scientifically testable hypothesis for an experiment on this topic?

The 'If-Then' Relationship between Theories and Hypotheses

Testing Competing Theories with Hypotheses

Characteristics of a Good Hypothesis

The Cyclical Process of Scientific Inquiry

Deriving a Hypothesis from the James-Lange Theory

Falsifiability and Confidence in Scientific Research

Requirement of a Hypothesis for Scientific Experiments

A-theoretical Hypothesis

Variable

Population

Which of the following statements best describes a scientific hypothesis?

When an empirical study's results fail to support a specific hypothesis, the broader theory from which that hypothesis was derived is automatically considered disproved.

A psychologist is investigating the relationship between physical activity and mental health. Using the scientific process shown in the image as a guide, match each part of their research process to its correct scientific component.