The hypothesis which states that there is no relationship or difference between variables is called:
The hypothesis which states that there is no relationship or difference between variables is called:
Options:
(a) Inductive
(b) Deductive
(c) Null
(d) Research
✅ Correct Answer: (c) Null
Explanation:
A null hypothesis is a statistical statement that assumes no relationship, no difference, or no effect between variables under study. It is denoted as H₀ and serves as the basis for statistical testing. Researchers attempt to test and either reject or fail to reject the null hypothesis based on collected data.
The null hypothesis is essential in research because it provides an objective starting point. By assuming no effect, researchers avoid bias and rely on evidence to draw conclusions. If statistical results show significant differences, the null hypothesis is rejected in favor of the alternative hypothesis.
In educational research, null hypotheses are commonly used to test teaching methods, instructional strategies, and learning outcomes. PPSC frequently includes MCQs on types of hypotheses due to their importance in research methodology and statistics.
10 PPSC-Related Facts:
- Null hypothesis is denoted by H₀.
- It assumes no relationship.
- Used in statistical testing.
- Objective starting point of research.
- Can be accepted or rejected.
- Alternative hypothesis opposes null.
- Used in experimental research.
- Helps avoid researcher bias.
- Based on probability theory.
- Common topic in PPSC research MCQs.