Programme Planning, Implementation and Evalution

PROGRAMME PLANNING, IMPLEMENTATION AND EVALUATION 2(1+1)

Lesson 24 : Elements of Evaluation

Problems in Evaluation

Basically, the purpose of evaluation is to judge the effectiveness of a programme, usually in terms of how well it has achieved its objectives. But conducting evaluation is not an easy task. Following problems encountered in evaluation are:

1. Error of observation: Difference is observed in the description of the phenomenon between two evaluators or difference in opinion of the same observer at different occasions.
2. Error of measuring instrument: in data collection
3. Error of measurement: While taking measurements of a sample, errors may occur while measuring.
4. Error of quantification: Chances of error during the process of transfer of data from qualitative to quantitative form.
5. Error due to lack of control: Evaluation deals with human beings and human beings are constantly changing and difficult to control.
6. Error of true responses: Most of the information obtained is based on the expressed opinion of respondents and they may not be giving the correct responses. It is quite difficult to check the truthfulness of the information.
7. Error of operational difficulties: Errors occur if the respondents drop out at the terminal stage or the selected respondents may not be present at the time of researcher’s visit.