UNIT 1: Basic concepts on evaluation: Testing, assessing, evaluating, validity, reliability and formative-summative assessment.

Comparative chart

Evaluation	Diagnostic and formative process where the teacher can determine, what topics must reinforce, for the good understanding of the students, I think is not to measure who knows more, is a teaching and learning experience to enhance the techniques, methods and strategies.	Assessment	The term assessment refers to a variety of ways of collecting information on a learner's language ability or achievement.
Formative	Assessment carried out by teachers during the learning process with the aim of using the results to improve instruction is known as formative assessment	Summative Assessment	Assessment at the end of a course, term or school year - often for purposes of providing aggregated information on programmer Outcomes to educational authorities - is referred to as summative assessment.
Validity	1. Construct validity: the extent to which the content of the test/assessment reflects current theoretical understandings of the skill(s) being assessed; 2. Content validity: whether it represents an adequate sample of ability; and 3. Criterion-related validity: the extent to which the results correlate with other independent measures of ability.	Reliability.	Reliability is concerned with ascertaining to what degree scores on tests or assessments are affected by measurement error, i.e. by variation in scores caused by factors unrelated to the ability being assessed (e.g. conditions of administration, test instructions, fatigue, guessing, etc.).
Quantitative	Collects data that can be analyzed using quantitative methods, i.e. numbers, statistical analysis	Qualitative Assessment	Collects data that does not lend itself to quantitative methods but rather to interpretive criteria

References

Allen, D and Tanner, K. Infusing active learning into the large-enrollment biology class:  Seven strategies, from the simple to complex.  Cell Biology Education. 4:262-268. 2006. http://www.lifescied.org/cgi/content/full/4/4/262

CARTER, Ronald. NUNAN, David (2001). The Cambridge Guide to Teaching English to     Speakers of Other Languages. Cambridge University Press.