Exam 7 Psychology – Assignment Online | assignmentsonline.org
Psychology- Assignment Online | assignmentsonline.org
Exam 7 Psychology- Assignment Online | assignmentsonline.org
– Assignment Online | assignmentsonline.org
In order to study causal relationships:
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In order for us to study causal relationships among variables, it is necessary for:
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Which of the following is NOT a source of between-groups variance?
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Whenever the F-ratio is near 1.00, it means that:
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Which of the following does NOT increase error variance?
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Which of the following is most closely associated with the concept of “sampling error”?
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One of the chief weaknesses of an ex post facto procedure is that:
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The ANOVA procedure depends on calculations of:
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In experiments, we hope to find
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Statistical tests CANNOT tell us whether:
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The randomized pretest-posttest, control-group design is an improvement over the randomized posttest-only, control-group design because the:
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2.5 Points |
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In order to test the effects of the 1988 heat wave on worker productivity, 48 machinists were randomly assigned to two groups of 24 machinists each. Each group was tested at a different room temperature (cool and hot) using dependent measures of number of parts produced and accuracy. What type of design does this study represent?
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[removed] A. A single-group, pretest-posttest design |
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[removed] B. A Solomon four-group design |
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[removed] C. A multilevel, completely randomized, between-subjects design |
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[removed] D. A randomized, posttest-only, control-group design |
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What is usually the major contributor to error variance?
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The Solomon four-group design was developed in an attempt to:
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History, maturation, and regression to the mean can be controlled by including proper:
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A researcher measures prisoners on childhood physical abuse and notices high levels of abuse. He then concludes that abuse leads people to commit crimes. This is an example of a(n) __________ design.
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In order to support the hypothesis that the independent variable has influenced the dependent variable, __________ is necessary.
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Laczniak and Muehling (1993) suggest that manipulations checks should be considered:
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A researcher decides to study the effects of dance therapy on self-esteem in emotionally disturbed adolescents. One residential program consents to try the dance therapy treatment, whereas another similar program refuses to try dance therapy, but allows the researcher to measure self-esteem. Self-esteem is measured before and after treatment in both groups. This is an example of a __________ design.
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Two critical factors used to distinguish experimental designs from most non-experimental designs are:
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Single-subject designs are often used in research on:
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Which of the following is NOT a characteristic of a within-subjects design?
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In ABA designs, the effects of the independent variable on the dependent variable are demonstrated if the:
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What is the major strength of the within-subjects design?
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Which of the following is an accurate statement?
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Which of the following is a potential confounding factor in within-subjects designs but NOT in a between-subjects design?
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It is important in a matched-subjects design for researchers to assign each matched set of participants randomly to the conditions primarily because:
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The single-group, pretest-posttest design, although it is considered a(n) __________ design, is a(n) __________ design.
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Correlated-groups designs are generally more sensitive than between-subjects designs to:
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In an ABA reversal design, the term “reversal” refers to:
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A good way to control for carry-over effects in within-subjects experiments, provided that there are not too many experimental conditions, is:
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In within-subjects designs, each participant:
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In a study of the effectiveness of an experimental drug on sleep apnea, researchers are expecting the drug to have long-lasting beneficial effects on their participants. In this case, what type of correlated-groups design should they use?
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Single-subject designs are sometimes preferable to between-subjects group comparison designs because:
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Which of the following is a major control for sequence effects?
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Which of the following is NOT a characteristic of matched-subjects designs?
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Single-subject experimental designs are variations of within-subject designs because the same:
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Why could correlated-groups designs be considered to be experiments?
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2.5 Points |
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An advantage of within-subjects designs is that:
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[removed] A. they are less complex conceptually. |
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[removed] B. fewer participants are needed to run the experiment. |
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[removed] C. the statistics used are simpler than in a between-subjects design. |
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[removed] D. sequence effects enhance the results. |
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In a repeated-measures design, the single largest contributing factor to error variance has been removed. What is that factor?
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