The educational
researches may be classified into four types:
1. Experimental
research,
2. Normative survey
research,
3. Historical
research, and
4. Complex casual research.
1. Hypotheses are
indispensable for experimental researches. The experiments are conducted to
collect empirical data to verify hypotheses. The experimental method or
experimental designs are based on hypotheses. Hypotheses are the crucial
aspects of such researches.
2. In normative
survey research the investigator may or may not employ hypothetical type thinking,
depending upon the purpose of the research study. Hypotheses are essential for analytical
studies and there is little scope in descriptive type studies.
3. In historical
research the purpose may be either to produce a faithful record of the past events
irrespective of present day problem or to extend the experience with phenomena
in the present to past in order to make the view of the phenomena. There is a
little scope of hypotheses in historical research because hypothesis has the
future reference and its verification on empirical data. Case study method has
no scope for constructing hypotheses because it is developmental type study.
4. In complex
casual research the hypotheses have important role in such investigations.
These types of studies are conceptual in nature whereas historical are more
factual in nature. Therefore formulation of hypothesis is a crucial step of
this type of studies.
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