Research Techniques

Which form of hypothesis is deemed true until proven wrong based on experimental data?
Null
Alternate
Directional
Non-directional
A research study included 250 participants 120 suffering from eczema and 130 healthy people and investigated the association of history of allergy from food with the disease. This was a retrospective study design.
True
False
Which of the following are examples of two tailed hypothesis?
High fat intake and occurrence of heart disease
association between physical activity and weight gain
increased incidence of diabetes with weight gain
increased intake of fiber with decrease onset of constipation
The p value for the mean value of sample data was 2.76 and the critical value at 5% confidence level was 2.12. Therefore will reject the null hypothesis.
True
False
0
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