A two to three week incubation period usually occurs between the inoculation of T pallidum and development of the lesion (the range of incubation period is reported as being 9-90 days). Local, non-tender lymphadenopathy is often associated with this lesion. Figure 3 â3 shows primary syphilis lesions on the penis.
Rejecting or failing to reject the null hypothesis. Let's return finally to the question of whether we reject or fail to reject the null hypothesis. If our statistical analysis shows that the significance level is below the cut-off value we have set (e.g., either 0.05 or 0.01), we reject the null hypothesis and accept the alternative hypothesis.
DEVELOPING HYPOTHESES& RESEARCH QUESTIONS We give special consideration to the null hypothesisâ¦ This is due to the fact that the null hypothesis relates to the statement being tested, whereas the alternative hypothesis relates to the statement to be accepted if / when the null is rejected.