diff options
-rw-r--r-- | 4.N.10_Parser.php | 10 | ||||
-rw-r--r-- | 4.N.10_Parser.php~ | 19 |
2 files changed, 24 insertions, 5 deletions
diff --git a/4.N.10_Parser.php b/4.N.10_Parser.php index d36f07a..8a3c497 100644 --- a/4.N.10_Parser.php +++ b/4.N.10_Parser.php @@ -187,19 +187,25 @@ foreach ($Class as $student) //*************Subtraction Yes/No ************* - if($incorrect_subtraction[$student] / $correct_subtraction[$student] <= .10) + if($incorrect_subtraction[$student] / ($correct_subtraction[$student] + $incorrect_subtractions[$student]) <= .70) { $understands_subtraction = "y"; //we cannot use bool as there is a third case of "undetermined" with subtraction. } elseif($incorrect_subtraction[$student] == NULL || $incorrect_subtraction[$student] == 0) { - $understands_subtraction = "u" + $understands_subtraction = "u" //undetermined } else { $understands_subtraction = "n" } +/*************** Strikes ******************* +* +* If a student overpays and then increases their payment, or underpays, followed by an even lower payment +* it can be inferred the student does not understand the concepts of addition or subtraction with money. +* If for > 10% of the questions the student makes this mistake. He or she gets a "no" for addition and subtraction. +*/ } //end foreach diff --git a/4.N.10_Parser.php~ b/4.N.10_Parser.php~ index 2900d83..d36f07a 100644 --- a/4.N.10_Parser.php~ +++ b/4.N.10_Parser.php~ @@ -176,18 +176,31 @@ foreach ($Class as $student) { if( $num_correct[$student] >= ( .7 * ($num_submissions)) { - $understands_addition = "yes" + $understands_addition = true; } else { - $understands_addition = "no" + $understands_addition = false; } //*************Subtraction Yes/No ************* - if($subtraction_correct[$student] >= .10 * $ + if($incorrect_subtraction[$student] / $correct_subtraction[$student] <= .10) + { + $understands_subtraction = "y"; //we cannot use bool as there is a third case of "undetermined" with subtraction. + } + elseif($incorrect_subtraction[$student] == NULL || $incorrect_subtraction[$student] == 0) + { + $understands_subtraction = "u" + } + else + { + $understands_subtraction = "n" + } + + } //end foreach |