2017-08-28 at 2:49 AM UTC
Psychometric Properties of the Concept Assessment Kit-Conservation.
Lehnert, Linda; And Others
Journal of Research and Development in Education, v19 n3 p77-83 Spr 1986
This study investigated the psychometric properties of the Educational and Industrial Testing Service Concept Assessment Kit-Conservation (EITS Kit). Presented are an overview of the concept of conservation, a description of the EITS Kit, and results of the study. (MT)
2017-08-28 at 3:45 AM UTC
mashlehash
victim of incest
[my perspicuously dependant flavourlessness]
An angry handjob that feels more like an indian burn.
2017-08-28 at 3:57 AM UTC
mashlehash
victim of incest
[my perspicuously dependant flavourlessness]
^ruin our fun, why don't ya?
2017-08-28 at 10:24 AM UTC
The following users say it would be alright if the author of this
post didn't die in a fire!
2017-08-28 at 3:24 PM UTC
mashlehash
victim of incest
[my perspicuously dependant flavourlessness]
Something tells me that the OP wants me to say that they would blow eachother.
2017-08-28 at 7:30 PM UTC
mashlehash
victim of incest
[my perspicuously dependant flavourlessness]
Well this thread just got fucked up.