Hypothesis is a wise guess prepared and temporarily adopted to explain the observed factors covered by the study. It is a tentative conclusion or answer to a specific question raised at the beginning of the investigation.
Hypothesis helps the researcher in designing the study such as the methods, research instruments, and sampling design to be used as well as the data to be gathered. It also use as bases for determining assumptions and for the explanation about the data gathered.
Forms of Hypothesis
- Operational Form – It is stated in the affirmative. It states that there is a difference between two phenomena
- Null Form – It is stated in the negative. It states that there is no difference between the two phenomena. It is more commonly used.
Examples:
Question:
Is there any significant difference between the perceptions of the teachers and those of the students concerning the different aspects in the teaching of science?
Operational hypothesis
There is a significant difference between the perceptions of the teachers and those of the students concerning the different aspects in the teaching of science.
Null hypothesis
There is no significant difference between the perceptions of the teachers and those of the students concerning the different aspects in the teaching of science.
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