Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Richard L. Berdel"'
Publikováno v:
Journal of Educational Computing Research. 8:101-114
This study investigated the effects of learner and program control over content review within science computer-assisted instruction (CAI). Ninth grade subjects completed learner and program controlled CAI and a unit posttest. Continuing motivation fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5bbf684ae8dbc7847f29394d65df5ef8
https://doi.org/10.2190/2ewh-j2f1-ck87-09nr
https://doi.org/10.2190/2ewh-j2f1-ck87-09nr
Autor:
Mable B. Kinzle, Richard L. Berdel
Publikováno v:
Educational Technology Research and Development. 38:61-68
Hypermedia makes it possible for learners to explore interactive multimedia-based instructional systems. To realize the potential of hypermedia to increase student involvement and learning, important design and use issues will have to be addressed. F
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::736cacfe65bd0edcd7c9129a3cf9f38b
https://doi.org/10.1007/bf02298183
https://doi.org/10.1007/bf02298183
Autor:
Richard L. Berdel, Gerald M. Loper
Publikováno v:
Apidologie. 11:351-359
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55745268d5b17496377c7cdbdb3c6deb
https://doi.org/10.1051/apido:19800403
https://doi.org/10.1051/apido:19800403
Autor:
G. M. Loper, Richard L. Berdel
Publikováno v:
Crop Science. 18:447-452
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9cc51f180847429852c22f97ea7045fc
https://doi.org/10.2135/cropsci1978.0011183x001800030022x
https://doi.org/10.2135/cropsci1978.0011183x001800030022x
Publikováno v:
Crop Science. 27:558-561
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b41664cd988596775be22dca78b9da24
https://doi.org/10.2135/cropsci1987.0011183x002700030027x
https://doi.org/10.2135/cropsci1987.0011183x002700030027x
Publikováno v:
Journal of Educational Psychology. 80:299-303
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::937225f1ab8454a5f40efe0ce2c65b9e
https://doi.org/10.1037/0022-0663.80.3.299
https://doi.org/10.1037/0022-0663.80.3.299
Autor:
Richard L. Berdel, Gerald M. Loper
Publikováno v:
Apidologie. 11:181-189
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe3f2ed2a08dd837178d3efa7017b59b
https://doi.org/10.1051/apido:19800208
https://doi.org/10.1051/apido:19800208
Publikováno v:
Environmental Entomology. 2:255-259
A test arena was designed for determining the responses of Apis mellifera L. to components of scent gland pheromone and flower volatiles of alfalfa, Medicago sativa L. Bees that had been conditioned to associate the odor of citral, geraniol, ocimene,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c2dee622f82ffe7e32aaadd3dd17998
https://doi.org/10.1093/ee/2.2.255
https://doi.org/10.1093/ee/2.2.255
Publikováno v:
Journal of Apicultural Research. 13:191-197
SummaryHoneybees conditioned to respond to the scent of flowers of alfalfa clone 2490 and of sainfoin responded positively to the scents of ocimene, myrcene and limonene, but not to linalool; bees conditioned to the scent of flowers of alfalfa clone
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30e7969e61ee39c106315edfd37fbf74
https://doi.org/10.1080/00218839.1974.11099778
https://doi.org/10.1080/00218839.1974.11099778
Publikováno v:
HortScience. 11:416-417
Sucrose, glucose and fructose concentrations in the nectars of three species of Citrus were determined by gas-liquid chromatography. The percentage of sucrose in these nectars decreased as the flowers matured, thus presenting a changing hexose:sucros
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98871005b391eba56ed8b6a04cffa51e
https://doi.org/10.21273/hortsci.11.4.416
https://doi.org/10.21273/hortsci.11.4.416