// calculate medians and save results
public void finish()
{
/* calculate medians */
int[] reactTimesCorrect = new int[totalCorrect];
int[] reactTimesIncorrect = new int[totalCompleted - totalCorrect];
int rtcIndex = 0, rtiIndex = 0;
for (int i = 0; i < totalCompleted; i++)
{
if (trials[i].correct)
{
reactTimesCorrect[rtcIndex++] = trials[i].reactTime;
}
else
{
reactTimesIncorrect[rtiIndex++] = trials[i].reactTime;
}
}
this.mrtCorrect = CogTest.findMedian(ref reactTimesCorrect);
this.mrtIncorrect = CogTest.findMedian(ref reactTimesIncorrect);
saveResultsFile();
}
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
CogTest.Run();
}
// load form - align elements and set up test
private void frmStroop_Load(object sender, EventArgs e)
{
CogTest.setControlVisibility(this, false);
if (this.testStatus == CogTest.TEST_DEMO)
{
// demo screen - show three different labels
Point center = new Point(this.ClientSize.Width / 2, this.ClientSize.Height / 2);
lblDisplay.Text = "55555";
lblDisplay.Left = (ClientSize.Width - lblDisplay.Width) / 2;
lblDisplay.Top = (ClientSize.Height - lblDisplay.Height) / 2 + 100;
Label lblDemo1 = new Label();
Label lblDemo2 = new Label();
this.addLabel(lblDemo1, "3333", new Point(
(center.X - lblDisplay.Width) / 2, center.Y - lblDisplay.Height - 100));
this.addLabel(lblDemo2, "444", new Point(
(center.X + lblDemo1.Left), center.Y - lblDisplay.Height - 100));
this.BackColor = CogTest.DEMO_COLOR;
CogTest.enableDoubleEnterAdvance(this);
CogTest.setControlVisibility(this, true);
}
else
{
lblDisplay.Left = (ClientSize.Width - lblDisplay.Width) / 2;
lblDisplay.Top = (ClientSize.Height - lblDisplay.Height) / 2;
// practice test - 1 block with 16 trials (8 congruent, 8 incongruent)
// or official test - 4 blocks with 32 trials (16 congruent, 16 incongruent)
curTest = (this.testStatus == CogTest.TEST_PRACTICE) ? new StroopTest(1, 16) : new StroopTest(4, 32);
showFixation();
CogTest.setControlVisibility(this, true);
}
}
/// <summary>
/// Displays a warning dialog box if the user triggered the FormClosing event.
/// To close the form normally, use CogTest.closeForm()
/// </summary>
public static void FormClosing(object sender, FormClosingEventArgs e)
{
Form form = (Form)sender;
enterStopwatch.Reset();
if (form.DialogResult == DialogResult.Cancel)
{
DialogResult result = MessageBox.Show("Are you sure you want to quit the program early?" +
Environment.NewLine + "The data for each of the completed tests has already been saved," +
Environment.NewLine + "but all of the data for the current test will be lost.",
"Cognitive Assessments - Quit Program", MessageBoxButtons.YesNo, MessageBoxIcon.Warning,
MessageBoxDefaultButton.Button2);
if (result == DialogResult.Yes)
{
// we have to sleep for a second before closing or Environment.Exit throws the following error:
// "Cannot execute operation because current thread is in a spin, wait, or sleep operation
CogTest.closeForm(form);
Environment.Exit(1);
}
else
{
e.Cancel = true;
}
}
}
// check keypress and ignore anything that isn't a number
void txtInput_KeyPress(object sender, KeyPressEventArgs e)
{
if (CogTest.ValidateKeyPress() == false || e.KeyChar < 49 || e.KeyChar > 57)
{
e.Handled = true;
}
}
private void btnSubmit_Click(object sender, EventArgs e)
{
// at this point, the only way they could be wrong that we didn't catch in btnClick
// is if they didn't finish the sequence
// don't do anything if we are in demo mode
if (this.testStatus == CogTest.TEST_DEMO)
{
return;
}
if (curIndex < answerSeq.Count)
{
correct = false;
}
setEnabledStatus(false);
if (corsi.nextTrial(correct, ref answerSeq) == true)
{
// there is another trial - run it
System.Threading.Thread.Sleep(500); // wait about 500 ms between trials
showNextTrial();
}
else
{
// end of test
if (this.testStatus == CogTest.TEST_OFFICIAL)
{
corsi.finishTest();
}
CogTest.closeForm(this);
}
}
// check the official test stopwatch every second
// quit early if the test takes longer than 10 minutes
private void testTimer_Tick(object sender, EventArgs e)
{
if (stopwatch.ElapsedMilliseconds >= 600000)
{
testTimer.Stop();
saveResultsFile();
CogTest.closeForm(this);
}
}
// main splash screen (blue)
public static void mainSplash(string name, Form owner)
{
frmSplash frm = new frmSplash();
frm.lblName.Text = name;
frm.lblInstruct.Visible = false;
frm.BackColor = Color.FromArgb(0, 0, 64);
CogTest.enableDoubleEnterAdvance(frm);
frm.ShowDialog(owner);
}
// official test splash screen (green)
public static void testSplash(string name, Form owner)
{
frmSplash frm = new frmSplash();
frm.lblName.Text = name;
frm.lblInstruct.Visible = true;
frm.lblInstruct.Text = "Official Test";
frm.BackColor = Color.FromArgb(0, 64, 0);
CogTest.enableDoubleEnterAdvance(frm);
frm.ShowDialog(owner);
}
// final splash screen (yellow)
public static void finalSplash(Form owner)
{
frmSplash frm = new frmSplash();
frm.lblName.Text = "The End";
frm.lblInstruct.Visible = true;
frm.lblInstruct.Text = "Thank you!";
frm.BackColor = Color.FromArgb(64, 64, 0);
CogTest.enableDoubleEnterAdvance(frm);
frm.ShowDialog(owner);
}
private void frmRaven_KeyPress(object sender, KeyPressEventArgs e)
{
// accept either 1-6 or 1-8
if (this.testStatus != CogTest.TEST_DEMO && CogTest.ValidateKeyPress() == true)
{
if (e.KeyChar >= 49 && (e.KeyChar <= 54 || e.KeyChar <= 56 && lbl7.Visible == true))
{
processInput((e.KeyChar - 48) == answer);
}
}
}
public int span3, span4, span5, span6, span7; // number correct for a span of 3, 4, 5, etc
#region Test Creation
public CorsiTest(int numTrials, bool isPractice, ref ArrayList nextIndexes)
{
this.rand = new Random();
this.numTrials = numTrials;
this.trials = createTrials(numTrials, isPractice);
this.span3 = 0; this.span4 = 0; this.span5 = 0;
this.span6 = 0; this.span7 = 0;
this.curTrialIndex = 0;
nextIndexes = CogTest.createRandomList(0, 8, trials[0].spanLength, ref rand);
}
/* generate 10 unique <key, value> string pairs,
* as well as 5 questions: each question has 4 options,
* only one of which is correct */
public Dictionary <string, string> generateGrid(out string[] answers, out string[,] options)
{
// create the main grid
Dictionary <string, string> dict = new Dictionary <string, string>(10);
for (int i = 1; i <= 10; i++)
{
FindRandoms:
string num = rand.Next(1000, 10000).ToString();
string str = randString();
if (dict.Keys.Contains(num) || dict.Values.Contains(str))
{
goto FindRandoms;
}
dict.Add(num, str);
}
// pick 5 unique answers
ArrayList answerIndexes = CogTest.createRandomList(0, 9, 5, ref rand);
options = new string[5, 4];
answers = new string[5];
// pick 4 options for each question (one of which is correct)
for (int i = 0; i < 5; i++)
{
answers[i] = dict.ElementAt((int)answerIndexes[i]).Value;
// choose which option will be the correct answer
options[i, rand.Next(0, 4)] = dict.ElementAt((int)answerIndexes[i]).Key;
// set other possible options (must be different from correct answer)
GenerateOtherOptions:
ArrayList dictIndexes = CogTest.createRandomList(0, 9, 3, ref rand);
if (dictIndexes.Contains((int)answerIndexes[i]))
{
goto GenerateOtherOptions;
}
int arrayListIndex = 0;
for (int j = 0; j < 4; j++)
{
if (options[i, j] == null)
{
options[i, j] = dict.ElementAt((int)dictIndexes[arrayListIndex++]).Key;
}
}
}
return(dict);
}
private void frmSpeed_Load(object sender, EventArgs e)
{
grid[0] = lbl0;
grid[1] = lbl1;
grid[2] = lbl2;
grid[3] = lbl3;
grid[4] = lbl4;
grid[5] = lbl5;
grid[6] = lbl6;
grid[7] = lbl7;
grid[8] = lbl8;
grid[9] = lbl9;
btns[0] = btnA;
btns[1] = btnB;
btns[2] = btnC;
btns[3] = btnD;
lblBtns[0] = lblBtnA;
lblBtns[1] = lblBtnB;
lblBtns[2] = lblBtnC;
lblBtns[3] = lblBtnD;
CogTest.setControlVisibility(this, false);
alignElements();
if (testStatus == CogTest.TEST_DEMO)
{
// demo screen - use what's in the designer
this.BackColor = CogTest.DEMO_COLOR;
CogTest.enableDoubleEnterAdvance(this);
CogTest.setControlVisibility(this, true);
lblQuestion.Focus();
}
else
{
// display the actual test
newGrid();
nextTrial();
formTimer.Interval = STOPWATCH_CHECK_INTVL;
CogTest.setControlVisibility(this, true);
lblQuestion.Focus();
formTimer.Start();
testStopwatch.Start();
}
}
/// <summary>
/// Closes form after a double tap on the enter key.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
static void KeyUp(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Enter)
{
if (enterStopwatch.IsRunning && enterStopwatch.ElapsedMilliseconds <= DOUBLE_ENTER_INTVL)
{
// successful double-tap on the enter key - close form
CogTest.closeForm(currentSplashForm);
}
else
{
// first enter key pressed - start stopwatch to wait for second press
enterStopwatch.Reset();
enterStopwatch.Start();
}
}
}
// process input and return true if there are more trials
public bool nextTrial(bool correct, ref ArrayList nextIndexes)
{
trials[curTrialIndex].correct = correct;
// update global counter for appropriate span length
if (correct == true)
{
switch (trials[curTrialIndex].spanLength)
{
case 3:
span3++;
break;
case 4:
span4++;
break;
case 5:
span5++;
break;
case 6:
span6++;
break;
case 7:
span7++;
break;
}
}
curTrialIndex++;
if (curTrialIndex == numTrials)
{
// no trials left - end of the current test
return(false);
}
else
{
nextIndexes = CogTest.createRandomList(0, 8, trials[curTrialIndex].spanLength, ref rand);
return(true);
}
}
/* Timer tick - either the practice test ended, or it's time to check the official test stopwatch.
* A form timer is not used for the official test because form timers aren't very accurate
* for long intervals (more than a minute). */
private void formTimer_Tick(object sender, EventArgs e)
{
if (this.testStatus == CogTest.TEST_PRACTICE)
{
if (testStopwatch.ElapsedMilliseconds >= PRACTICE_DUARTION)
{
// practice test ended
CogTest.closeForm(this);
}
}
else if (this.testStatus == CogTest.TEST_OFFICIAL)
{
if (testStopwatch.ElapsedMilliseconds >= OFFICIAL_DURATION)
{
// regular test ended
test.finish();
CogTest.closeForm(this);
}
}
}
private void frmKeyboardTutorial_Load(object sender, EventArgs e)
{
CogTest.setControlVisibility(this, false);
Point center = new Point(ClientSize.Width / 2, ClientSize.Height / 2);
btnContinue.Top = 20;
btnContinue.Left = ClientSize.Width - btnContinue.Width - 20;
lblDisplay.Left = center.X - lblDisplay.Width / 2;
lblDisplay.Top = center.Y - lblDisplay.Height - 50;
txtInput.Left = center.X - txtInput.Width / 2;
txtInput.Top = center.Y + 50;
txtInput.Text = "";
nextNumber();
CogTest.setControlVisibility(this, true);
txtInput.Focus();
}
// pick a new number to display
private void nextNumber()
{
if (numFinished == MAX_NUMBERS)
{
// finished all of the trials - close form
CogTest.closeForm(this);
}
else
{
string newDigit;
do
{
newDigit = randGen.Next(1, 10).ToString();
} while (newDigit == txtInput.Text);
lblDisplay.Text = newDigit;
txtInput.Enabled = true;
txtInput.Text = "";
txtInput.Focus();
}
}
/* ========== This is the top level execution sequence =========*/
void frmBase_Shown(object sender, EventArgs e)
{
// randomize the test ordering
System.Collections.ArrayList order = CogTest.createRandomList(1, 4, 4, ref rand);
frmSplash.mainSplash("Keyboard Training", this);
frmKeyboardTutorial keyTut = new frmKeyboardTutorial();
keyTut.ShowDialog(this);
dispatch((int)order[0]);
frmSplash.breakSplash(this);
dispatch((int)order[1]);
frmSplash.breakSplash(this);
dispatch((int)order[2]);
frmSplash.breakSplash(this);
dispatch((int)order[3]);
frmSplash.finalSplash(this);
Environment.Exit(0);
}
private void frmCorsi_Load(object sender, EventArgs e)
{
boxes[0] = btn0;
boxes[1] = btn1;
boxes[2] = btn2;
boxes[3] = btn3;
boxes[4] = btn4;
boxes[5] = btn5;
boxes[6] = btn6;
boxes[7] = btn7;
boxes[8] = btn8;
CogTest.setControlVisibility(this, false);
setupForm();
if (testStatus == CogTest.TEST_DEMO)
{
// show demo screen
this.BackColor = CogTest.DEMO_COLOR;
CogTest.enableDoubleEnterAdvance(this);
CogTest.setControlVisibility(this, true);
btnSubmit.Visible = false;
panel.Focus();
}
else
{
// practice test has 3 trials, official test has 15
corsi = (this.testStatus == CogTest.TEST_PRACTICE) ?
new CorsiTest(3, true, ref answerSeq) : new CorsiTest(15, false, ref answerSeq);
CogTest.setControlVisibility(this, true);
foreach (Button btn in boxes)
{
btn.Visible = true;
}
setEnabledStatus(false);
System.Threading.Thread.Sleep(1500); // wait about 1.5 seconds before showing the first trial
showNextTrial();
}
}
// process a keypress during the test
private void frmStroop_KeyPress(object sender, KeyPressEventArgs e)
{
// only allow non-numpad number keys to be pressed, and only while a test is running
if (e.KeyChar >= 49 && e.KeyChar <= 57 && stopwatch.IsRunning && CogTest.ValidateKeyPress() == true)
{
stopwatch.Stop();
int elapsedTime = (int)stopwatch.ElapsedMilliseconds;
stopwatch.Reset();
if (curTest.processTrial(e.KeyChar - 48, elapsedTime) == true)
{
// there is another trial to run
showFixation();
}
else if (curTest.processBlock() == true)
{
// advance to the next block after a 30 second break
lblDisplay.BorderStyle = BorderStyle.None;
lblDisplay.Text = "00:30";
lblDisplay.Font = fntNormal;
break_time = 30;
breakTimer.Interval = 1000;
breakTimer.Start();
}
else
{
// we have reached the end of the current test
if (testStatus == CogTest.TEST_OFFICIAL)
{
// save the data only if it is an official test
curTest.finish();
}
CogTest.closeForm(this);
}
}
}
// write results to a text file
private void saveResultsFile()
{
/* ----- write all of the raw trial data to a new file -------- */
string rawFilename = "subj" + CogTest.uid + "corsi.txt";
System.IO.StreamWriter rawFile = new System.IO.StreamWriter(rawFilename);
for (int i = 0; i < numTrials; i++)
{
string line = CogTest.uid + ',' + trials[i].spanLength.ToString() + ',' +
CogTest.boolToChar(trials[i].correct);
rawFile.WriteLine(line);
}
rawFile.Close();
/* ----- append the summary data to corsiSummary.txt -------- */
System.IO.StreamWriter summaryFile = new System.IO.StreamWriter("corsiSummary.txt", true);
string summaryLine = CogTest.uid + ',' + span3.ToString() + ',' + span4.ToString() + ',' +
span5.ToString() + ',' + span6.ToString() + ',' + span7.ToString();
summaryFile.WriteLine(summaryLine);
summaryFile.Close();
}
// write results to a text file
private void saveResultsFile()
{
/* ----- write all of the raw trial data to a new file -------- */
string rawFilename = "subj" + CogTest.uid + "speed.txt";
System.IO.StreamWriter rawFile = new System.IO.StreamWriter(rawFilename);
for (int i = 0; i < totalCompleted; i++)
{
string line = CogTest.uid + ',' + trials[i].trialNum.ToString() + ',' +
trials[i].reactTime.ToString() + ',' + CogTest.boolToChar(trials[i].correct);
rawFile.WriteLine(line);
}
rawFile.Close();
/* ----- append the summary data to speedSummary.txt -------- */
System.IO.StreamWriter summaryFile = new System.IO.StreamWriter("speedSummary.txt", true);
string summaryLine = CogTest.uid + ',' + totalCorrect.ToString() + ',' +
totalCompleted.ToString() + ',' + mrtCorrect.ToString() + ',' + mrtIncorrect.ToString() + ',' +
trtCorrect.ToString() + ',' + trtIncorrect.ToString();
summaryFile.WriteLine(summaryLine);
summaryFile.Close();
}
private void processInput(bool correct)
{
// double clicks (within 350 ms) are ignored
if (doublePress == true)
{
return;
}
if (this.testStatus == CogTest.TEST_OFFICIAL)
{
if (correct == true)
{
numCorrect++;
}
}
numUnfinished--;
questions.RemoveAt(0);
if (numUnfinished == 0)
{
// finished with the test
if (this.testStatus == CogTest.TEST_OFFICIAL)
{
saveResultsFile();
}
CogTest.closeForm(this);
}
else
{
// load the next question
showNextQuestion();
doublePress = true;
clickTimer.Start();
picBox.Focus(); // focus away from the buttons
}
}
private void frmSpeed_KeyPress(object sender, KeyPressEventArgs e)
{
if (reactStopwatch.IsRunning && testStatus != CogTest.TEST_DEMO && CogTest.ValidateKeyPress() == true)
{
switch (e.KeyChar)
{
case (char)49: // the '1' key
processInput(btnA.Text);
break;
case (char)50: // the '2' key
processInput(btnB.Text);
break;
case (char)51: // the '3' key
processInput(btnC.Text);
break;
case (char)52: // the '4' key
processInput(btnD.Text);
break;
}
}
}
// close break screen after BREAK_TIME milliseconds
private void breakTimer_Tick(object sender, EventArgs e)
{
CogTest.closeForm(this);
}
private void frmRaven_Load(object sender, EventArgs e)
{
CogTest.setControlVisibility(this, false);
rand = new Random();
btns = new Button[8];
btns[0] = btn0;
btns[1] = btn1;
btns[2] = btn2;
btns[3] = btn3;
btns[4] = btn4;
btns[5] = btn5;
btns[6] = btn6;
btns[7] = btn7;
lbls = new Label[8];
lbls[0] = lbl0;
lbls[1] = lbl1;
lbls[2] = lbl2;
lbls[3] = lbl3;
lbls[4] = lbl4;
lbls[5] = lbl5;
lbls[6] = lbl6;
lbls[7] = lbl7;
// align main picture box
picBox.Width = 550;
picBox.Height = Math.Min((int)(this.ClientSize.Height / 2.5), 440);
picBox.Left = (ClientSize.Width - picBox.Width) / 2;
picBox.Top = 20;//-20;
// test summary data
numCorrect = 0;
switch (this.testStatus)
{
case CogTest.TEST_DEMO:
// show what is currently on form for demo mode
this.BackColor = CogTest.DEMO_COLOR;
CogTest.enableDoubleEnterAdvance(this);
alignButtons(8);
CogTest.setControlVisibility(this, true);
break;
case CogTest.TEST_PRACTICE:
questions = new ArrayList(2);
questions.Add(-1);
questions.Add(-2);
numUnfinished = 2;
CogTest.setControlVisibility(this, true);
showNextQuestion();
break;
case CogTest.TEST_OFFICIAL:
questions = CogTest.createRandomList(1, 10, 10, ref rand);
numUnfinished = 10;
// set visibility before loading the question because the question may only need 6 butons
CogTest.setControlVisibility(this, true);
showNextQuestion();
testTimer.Start();
stopwatch.Start();
break;
}
picBox.Focus();
}
private void btnContinue_Click(object sender, EventArgs e)
{
CogTest.closeForm(this);
}