• Teachers wish to determine which of two methods of reading instruction is most effective—20 minutes direct instruction

in phonics each day throughout the academic year in grade 1 or one that

involved the current practice of having the teacher read a book to the class for

20 minutes each day throughout the year in grade 1.

• Teachers wish to determine whether children learn better in a small class

or in a larger class.Wednesday, April 12, 2023 by: Miss Robina David Madriaga

Wednesday, April 12, 2023 by: Miss Robina David Madriaga

Experimental

Research

Designs

Validity

Steps

Wednesday, April 12, 2023 by: Miss Robina David Madriaga

Experimental Research

- is a systematic and scientific approach to research in which the research manipulates one

or more variables, and controls and measures any change in

any variables (Experimental-Resources.com, 2008)

Wednesday, April 12, 2023 by: Miss Robina David Madriaga

* Independent variable

EXPERIMENTAL RESEARCH

* Dependent measureTHREE CRITERIA- Random assignment - Experimental control- Appropriate measure

Wednesday, April 12, 2023 by: Miss Robina David Madriaga

Time Series Design

True Experiments

Repeated Measure

Quasi-experimental Design

EXPERIMENTAL RESEARCH DESIGNS

VALIDITY THREATS

• HISTORY• MATURATION• TESTING• INSTRUMENTATION• STATISTICAL REGRESSION• SELECTION• EXPERIMENTAL MORTALITY• DIFFUSION OF TREATMENTS

Wednesday, April 12, 2023 by: Miss Robina David Madriaga

Wednesday, April 12, 2023 by: Miss Robina David Madriaga

1.SELECT A TOPIC2. IDENTIFY THE

RESEARCH PROBLEM3.CONDUCT A

LITERATURE SEARCH4.STATE THE RESEARCH

QUESTION

STEPS

Wednesday, April 12, 2023

5. DETERMINE THE RESEARCH DESIGN6. DETERMINE THE

METHODS7. DETERMINE DATA

ANALYSIS TECHNIQUES

STEPS

by: Miss Robina David Madriaga

Wednesday, April 12, 2023 by: Miss Robina David Madriaga