I tried to make a table using the following code but the table is not aligned.
Code: Select all
\begin{table*}[!ht]
\centering
\scriptsize
\caption{Table caption}\label{table:tasks}
\begin{tabular}{*{11}{c}}
& Task 1 & Task 1 & Task 2 & Task 2 & Task 3 & Task 3 & Task 4 & Task 4 & Task 5 & Task 5 \\
& result achieved & time & result achieved & time & result achieved & time & result achieved & time & result achieved & time \\ \hline
User 1 & do not know & 0.5 & correct & 4 & correct & 2 & correct & 7 & correct & 3 \\
User 2 & correct & 6 & correct & 3 & correct & 1 & not applicable & --- & correct & 5 \\
User 3 & correct & 5 & correct & 3 & correct & 1 & do not know & 4 & correct & 4 \\
User 4 & correct & 6 & correct & 2 & correct & 0.5 & correct & 9 & correct & 4 \\ \hline
Mean time & --- & 5.6 & --- & 3 & --- & 1.1 & --- & 8 & --- & 4 \\
\end{tabular}
\end{table*}