A researcher tested the hypothesis that Tx A would be more effective than Tx B. Statistical analysis revealed that the difference between the treatments was in the direction predicted and p = .064 (1-tailed). What should the researcher do with the null hypothesis (that there is no difference between Tx A and Tx B )?

a. reject the null, because the data are significant

b. reject the null, because the data are not significant

c. accept the null, because the data are significant

d. accept the null, because the data are not significant