types of research

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Classifying of research with respect to the purpose.

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By: hemu1988 (20 month(s) ago)

great site to help student

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Slide 1: 

Types of Research

Problem Statements : 

Problem Statements Will students taught using problem solving methods comprehend the information at a higher level than students taught using lecture methods? Do students who were exposed to a North Indian culture make a higher salary than students who were not exposed to a North Indian culture?

Problem Statements : 

Problem Statements Will college students accept a computer-aided information system as a means of obtaining information from the University Extension service? Do the Private B.Ed College Owners in Kerala anticipate an increase in enrolment of Bed students ?

Problem : 

Problem How do you classify research?

Why do we need to classify research? : 

Why do we need to classify research? So that we can follow procedures appropriate to that type of research. To help us in interpreting the findings/results. To help us identify problems associated with that type of research.

What do you need to know in order to be able to classify research? : 

What do you need to know in order to be able to classify research? Purposes (ends sought) of research Types of research

Purposes of Research : 

Purposes of Research Describe To describe groups and/or situations in terms of characteristics (variables) Explain/Predict To investigate relationships in terms of independent variables Determine cause/effect To control independent variables in order to determine their effect on dependent variables

Types of Research : 

Types of Research Descriptive Survey Correlational Ex Post Facto (Book calls causal-comparative) Experimental “true” or “quasi”

Classification of Research : 

Classification of Research Purpose 1. Describe 2. Explain/Predict 3. Cause/Effect Type 1. Descriptive-Survey 2. Descriptive- correlational; Ex Post Facto 3. Experimental

Classification of Research : 

Classification of Research Purpose 1. Describe 2. Explain/Predict 3. Cause/Effect Goals 1. Specific objectives or questions 2. and 3. Research hypotheses (if rationale exists)

Classification of Research : 

Classification of Research Purpose 1. Describe 2. Explain/Predict 3. Cause/Effect Ind. Variables 1. None 2. Not manipulated 3. Manipulated

Classification of Research : 

Classification of Research Purpose 1. Describe 2. Explain/Predict 3. Cause/Effect Interpretation 1. Describe units 2. relationships between variables 3. Cause-effect statements (control)

Descriptive Research : 

Descriptive Research Survey Correlational Others developmental longitudinal cross-sectional documentary trend

Descriptive Research : 

Descriptive Research Advantages can collect much data “real-world” situations necessary first step before using other types Disadvantages not enough depth findings frequently lack generalizability

Ex Post Facto Research : 

Ex Post Facto Research Ex Post Facto means “after the fact”-- studying the influence of independent variables after variation has occurred No control of variables Common with educational/social science research

Conditions Necessary for Inferring Cause : 

Conditions Necessary for Inferring Cause In order to say that x caused y, you must have evidence that: x and y are statistically related x preceded y in time other factors did not cause x

Experimental Studies : 

Experimental Studies Control of independent variable by researcher True experiments random assignment to groups random assignment of treatment(s) to groups Quasi-experiments lack of total control

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