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32 Cards in this Set
- Front
- Back
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Factorial Designs |
Designs with more than one independent variable |
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Interaction effects |
the effect of one independent variable differs depending on the level of another independent variable |
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Main effects |
impact of each independent variable on the dependent variable |
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Be able to identify these in a table of means and graphs |
degrees of freedom are additive. look at p values for the significance. |
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ordinal interaction |
lines do not touch |
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cross over interaction |
lines cross |
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if the null hypothesis is true is the number 0 or 1? |
1 |
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What is the denominator? |
O^2e (error variance) |
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What are the components of an ANOVA summary table for a factorial design?
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degrees of freedom, sum of squares, mean squares, F value, P value, A, B, AB, within, total. |
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F= |
MS/within which is error variance |
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How is the Solomon four group design a 2X2 factorial design? |
There is randomization and control groups. No treatment with pretest and no treatment with post test. Treatment with pretest and treatment with post test. |
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What is MANOVA? |
Multivariate analysis of variance with multiple dependent variables and one or more independent variables. |
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What is ANCOVA? |
analysis of covariance which looks at the correlation between the pretest and the posttest. |
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What are quasi-experimental designs? |
they are not randomly assigned and don't have as much control as a normal experiment. |
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what are the two examples of a quasi-experimental design? |
Nonequivalent control group design and interrupted time series design |
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What is the nonequivalent control group design? |
its done in the real work and is when groups already exist in the natural environment and are used in research studies |
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What is the interrupted time series design? |
it has the history problem and its when a single group of people are measured several times before and after treatment |
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What is program evaluation? |
determining how successfully a program meets its goals |
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What are the two types of surveys? |
Status survey and survey research |
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What is a status survey? |
it describes characteristics of a population |
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What is survey research? |
looks at relationships between variables |
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What is external validity? |
the extent to which a study's results generalize to the population, other settings, and measurement variables. |
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What is ecological validity? |
when studies accurately reproduce real-life situations |
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What are the sections of an APA style research report? |
Title page, Introduction, methods, results and discussion plus a references page. |
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What are the subsections in the methods section? |
participants, materials, and procedure |
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What is the purpose of a meta-analysis? |
its a procedure for statistically combing the results of multiple studies on one topic- needs effect size which makes it quantitative |
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What are type 1 and type 2 errors? |
Type 1 is rejecting a true hypothesis. Type 2 is failing to reject a false hypothesis. |
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What is the false consensus effect? |
a cognitive bias where a person overestimates the extent to which their beliefs or opinions are typical of those of others. |
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What did Mullens et al. find? |
there was a false consensus effect and it was cognitive meaning that it was a default and an availability heuristic. |
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What did Koestner and Wheeler study? |
The status-attractiveness hypothesis which says men offer status and seek attractiveness and women offer attractiveness and seek status. |
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What did White study? |
The matching hypothesis which means people with like attractiveness stick together. |
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What did Buss study? |
That women like older men and men like younger women. |
