homework 8

homework 8 - Joel Diaz 2-22-11 Section 9 Homework 8 1. The...

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Joel Diaz 2-22-11 Section 9 Homework 8 1. The source of threat to its internal validity is the testing. The results could have been affected because the experimental group had seen the video and were tested once before so they were more likely to pay attention and notice if there were any swearing in the video. 2. The source of threat here could be the selection of participants. The students who decided to volunteer could have been more motivated to study and pass the exam than the students who decided not to participate. 3. The source of threat here could be in instrumentation, or the way the observations were taken. For the two locations, two different observers were used then both the observations were compared. One source could have been a better quality than the other source, influencing the results of the observations. 4. The source of threat in this experiment could be diffusion or imitation of treatment. Since she had performed a similar test before, the dog could have realized that she wanted a
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This note was uploaded on 04/05/2012 for the course PSY 3213 taught by Professor Staff during the Spring '11 term at FSU.

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homework 8 - Joel Diaz 2-22-11 Section 9 Homework 8 1. The...

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