Index: lams_tool_scratchie/conf/language/lams/ApplicationResources.properties
===================================================================
diff -u -r42acec78d2cee4dd172267c4b82001b08b3612cc -r661711eac0fc4cd343f1507be6544771ee74f947
--- lams_tool_scratchie/conf/language/lams/ApplicationResources.properties	(.../ApplicationResources.properties)	(revision 42acec78d2cee4dd172267c4b82001b08b3612cc)
+++ lams_tool_scratchie/conf/language/lams/ApplicationResources.properties	(.../ApplicationResources.properties)	(revision 661711eac0fc4cd343f1507be6544771ee74f947)
@@ -190,7 +190,7 @@
 label.waiting.for.leader.submit.notebook = Time limit set by teacher is expired. Please wait until a group leader submits notebook.
 label.authoring.advanced.shuffle.items = Shuffle questions
 label.summary.downloaded = Excel file downloaded.
-label.number.groups.finished = Number of groups finished
+label.number.groups.finished = Number of groups submitted
 label.graph.help = In the graph(s) below, click on a bar in the graph and then use your mouse wheel to zoom in and out of the graph. Once you zoom in, the grey selection in the bottom graph can be dragged left or right to show a different set of marks.
 label.lowest.mark = Lowest mark:
 label.highest.mark = Highest mark:
@@ -278,7 +278,7 @@
 label.monitoring.change.leader = Change leader
 label.monitoring.leader.successfully.changed = Leader changed
 label.monitoring.leader.not.changed = Leader was not changed
-label.qb.stats.tooltip = Item analysis is a technique that analyses the student answers to evaluate the effectiveness of questions in an exam.
+label.qb.stats.tooltip = Item analysis is a technique that analyses the student answers to evaluate the effectiveness of questions in an exam. Only students who have finished the activity are taken into consideration. There must be at least 2 students.
 label.qb.point.biserial.tooltip = Point-biserial measures the correlation between the scores on the entire exam and the scores on the single question (where 1 = correct answer and 0 = incorrect answer). A large correlation indicates that a question is measuring the same construct as the overall exam measures.
 label.qb.difficulty.index.tooltip = The difficulty index represents a percentage of the students responses that answered the question correctly. This metric takes a value between 0 and 1. High values indicate that the question is easy, while low values indicate that is difficult.
 label.qb.discrimination.index.tooltip = Discrimination index measures how well a question distinguishes between students with more knowledge or skill from those with less. Values close to +1 indicate that the question does a good job of discriminating between high performers and low performers.