Paired research designs, also sometimes referred to as repeated measures designs, are associated with some common...
Paired research designs, also sometimes referred to as repeated measures designs, are associated with some common problems. What are some potential problems or alternative explanations with paired designs?
Homework Answers
A disadvantage of the repeated measure design is that it may not be possible for each participant to be in all conditions of the experiment (due to time constraints, location of the experiment, etc.).
There are also several threats to the internal validity of this design, namely a regression threat, a maturation threat and a history threat.
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Paired research designs, also sometimes referred to as repeated
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contrasting a repeated measures research design with matched
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contrasting a repeated measures research design with matched
subjects and independent measures designs
A graduate student is interested in whether journaling can affect grief and healing. She has participants who have been widowed within the past 10-14 months complete a battery of psychological questionnaires before and after journaling about their daily problems for 2 months. The first time the graduate student conducted this study, she used a repeated-measures design and compared the widows' and widowers' baseline scores with their scores...
A two-talled hypothesis test
for a repeated-measures research design A graduate student is
interested in whether journaling can affect grief and healing. For
his study, he selects a randor sample of 64 adults who have been
widowed within the past 10 to 14 months. The subjects complete a
battery or psychological questtonnalres before and after spending
two months Journaling about their emotions. Before the two months
of journaling, the mean score on the impact of event
scale-avoidance subscale, which measures...
6. A two-tailed hypothesis test for a repeated-measures research design Previous studies have shown that playing video games can increase visual perception abilities on tasks presented in the gaming zone of the screen (within 5 degrees of the center). A graduate student is interested in whether playing video games increases peripheral visual perception abilities or decreases attention to peripheral regions because of focus on the gaming zone. For his study, he selects a random sample of 81 adults. The subjects...
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