@booklet {1395, title = {An investigation of computer-based science testing}, year = {1968}, note = {$\#$HA68-01 (See published version.)}, address = {Tallahassee FL: Florida State University}, author = {Hansen, D. N. and Schwarz, G.} } @booklet {1399, title = {An investigation of computer-based science testing}, year = {1968}, address = {Tallahassee: Institute of Human Learning, Florida State University}, author = {Hansen, D. N. and Schwarz, G.} }