Hypothesis A: Student performance on the Research Skills module does not influence performance on the Dissertation module. Hypothesis B: The higher the students' mark on the Research Skills module the better their performance on the Dissertation module. Hypothesis C: The lower the students' mark on the Research Skills module the poorer their performance on the Dissertation module. Hypothesis D: The students' mark on the Research Skills module will influence their mark on the Dissertation module. Which hypothesis is the directional hypothesis(es)? Hypothesis A Hypothesis B Hypothesis C Hypothesis D Hypothesis B and C O