learning. He 3. A high school teacher wantof to discover whether there is a rela

Question

learning. He 3. A high school teacher wantof to discover whether there is a relatiomhip betwcen muscular tenuca and sossess in asked 60 English speaking studests to memorize a list of Russian recall as many of the words as they could remember. Half of the students poand weighes in both hands (the tense muscle group) and and memorze muscle group recalled on average, 55% of de woods (a significant dincreme). adesk, and 10minutes later, med them to were randomly assigned to memorine the list was lifing 10 the odher half of seodents were randomly assigned to simply sit at the desk no-tense mande poup). The lense muscle group 'ecalle, on average, 75% of words, and the no! Independent Variable of Interest Dependent Variable? Conclusion the researcher would like to make based on the findings? Confounding Variablets)? Alternative Conclusion of the Results Based on the Presence of the Confounding Variable? Re-Design the Experiment to Remove the Confounding Variable

Explanation / Answer

1) independent variable- muscular tension

2) dependent variable- percentage of learning the russian words/ success in learning words.

3) conclusion- students with muscle tension have high rate of learning than students without muscle tension. so muscle tension would increase the rate of learning among students.

4) confounding variable- knowledge of english language .

for sheet 2

1) independent variable- smell of baked bread

2) dependent variable- taste of bread perceived

3) smell of bread has significant effect on the taste of bread perceived

4) confounding variable- extent to which randomly assigned subjects like the bread in genral

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