Chapter 15: Problem 1

What is meta-analysis?

Short Answer

Expert verified

A meta-analysis is a statistical procedure that combines the results of multiple independent studies to provide a precise estimate of effect size or answer a research question. It uses a strict methodology, involves a meticulous literature search, and requires statistical expertise.

Step by step solution

Definition of Meta-Analysis

A meta-analysis is a statistical procedure for combining data from multiple studies. It is a type of systematic review that uses statistical methods to combine the results of different independent studies.

Purpose of Meta-Analysis

The main purpose of a meta-analysis is to provide a precise estimate of the effect size for a planned treatment or intervention, or to answer the formulated research question. It does this by pooling the data from all relevant studies, thereby increasing the statistical power to detect an effect.

Characteristics of Meta-Analysis

A few key characteristics of a meta-analysis include the fact that it uses a strict methodology to prevent bias, it involves a meticulous literature search to find all studies that meet specific criteria, and it requires expert knowledge in statistical methods to combine the results of the different studies.

Unlock Step-by-Step Solutions & Ace Your Exams!

Full Textbook Solutions
Get detailed explanations and key concepts
Unlimited Al creation
Al flashcards, explanations, exams and more...
Ads-free access
To over 500 millions flashcards
Money-back guarantee
We refund you if you fail your exam.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

Recommended explanations on Psychology Textbooks

View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

What is meta-analysis?

Short Answer

Step by step solution

Definition of Meta-Analysis

Purpose of Meta-Analysis

Characteristics of Meta-Analysis

One App. One Place for Learning.

Recommended explanations on Psychology Textbooks

Aggression

Eating Behaviour

Relationships

Data Handling and Analysis

Emotion and Motivation

Scientific Investigation

Study anywhere. Anytime. Across all devices.