Table 5 Blockwise regression analysis of student online Q & A behaviors on their performance of programming assignments
|  | R2 | R2adj | ∆ F | Beta | t |
|---|---|---|---|---|---|
Programming assignments Summer semester (n = 54) | 0.305* | 0.141 | 1.865 |  |  |
 Students - ask |  |  |  | −0.003 | − 0.062 |
 Students - answer |  |  |  | 0.017 | 0.890 |
 Students - view |  |  |  | 0.004* | 2.165 |
 Instructor/TAs - facilitate |  |  |  | −0.009 | −0.385 |
Programming assignments Fall semester (n = 164) | 0.096 | 0.034 | 1.540 |  |  |
 Students - ask |  |  |  | −0.004 | −0.780 |
 Students - answer |  |  |  | 0.003 | 1.361 |
 Students - view |  |  |  | 0.003 | 1.292 |
 Instructor/TAs - facilitate |  |  |  | 0.003 | 0.821 |