quiz_statistics_response_analyser Class Reference

Public Member Functions
	__construct ($questiondata)
	has_subparts ()
	has_response_classes ()
	has_actual_responses ()
	analyse ($qubaids)
	load_cached ($quizstatisticsid)
	store_cached ($quizstatisticsid)
Data Fields
	$responses = array()
	$responseclasses = array()
Protected Member Functions
	add_data_from_one_attempt (question_attempt $qa)
Protected Attributes
	$questiondata
	$loaded = false

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Detailed Description

This class can store and compute the analysis of the responses to a particular question.

Copyright:

2010 The Open University http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

Definition at line 38 of file responseanalysis.php.

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Constructor & Destructor Documentation

__construct

(

$

questiondata

)

Create a new instance of this class for holding/computing the statistics for a particular question.

Parameters:

object

$questiondata

the data from the database defining this question.

Definition at line 66 of file responseanalysis.php.

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Member Function Documentation

add_data_from_one_attempt

(

question_attempt $

qa

)

[protected]

Analyse the data from one question attempt.

Parameters:

question_attempt

$qa

the data to analyse.

Definition at line 142 of file responseanalysis.php.

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analyse

(

$

qubaids

)

Analyse all the response data for for all the specified attempts at this question.

Parameters:

$qubaids

which attempts to consider.

Definition at line 125 of file responseanalysis.php.

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has_actual_responses

(

)

Returns:

bool whether this analysis has a response class more than one different acutal response, or if the actual response is different from the model response.

Definition at line 104 of file responseanalysis.php.

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has_response_classes

(

)

Returns:

bool whether this analysis has (a subpart with) more than one response class.

Definition at line 90 of file responseanalysis.php.

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has_subparts

(

)

Returns:

bool whether this analysis has more than one subpart.

Definition at line 82 of file responseanalysis.php.

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load_cached

(

$

quizstatisticsid

)

Store the computed response analysis in the quiz_question_response_stats table.

Parameters:

int

$quizstatisticsid

the cached quiz statistics to load the data corresponding to.

Returns:

bool true if cached data was found in the database and loaded, otherwise false, to mean no data was loaded.

Definition at line 175 of file responseanalysis.php.

store_cached

(

$

quizstatisticsid

)

Store the computed response analysis in the quiz_question_response_stats table.

Parameters:

int

$quizstatisticsid

the cached quiz statistics this correspons to.

Definition at line 198 of file responseanalysis.php.

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Field Documentation

$loaded = false [protected]

Definition at line 41 of file responseanalysis.php.

$questiondata [protected]

Definition at line 40 of file responseanalysis.php.

$responseclasses = array()

Definition at line 59 of file responseanalysis.php.

$responses = array()

Definition at line 53 of file responseanalysis.php.

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The documentation for this class was generated from the following file:

• C:/xampp/htdocs/moodle/mod/quiz/report/statistics/responseanalysis.php