Subjects: Science Education; Anxiety; Video TechnologyGermanyState Trait Anxiety Inventory
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Subjects: Recreational Facilities; Science Instruction; Experimental GroupsGermany
Subjects: Foreign Countries; Laboratory Procedures; Video TechnologyGermany; West GermanyState Trait Anxiety Inventory
Subjects: Science Instruction; Emotional Response; Student Motivation
Subjects: Emotional Response; Negative Attitudes; BiologyGermany
Subjects: Self Efficacy; Laboratory Procedures; Student Motivation