Term
| One-group Posttest only design 13 |
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Definition
Measurements are only taken after manipulation
There is no control group -lack of comparison means not a true experiment. |
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Term
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Definition
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Term
| Regression toward the mean 13 |
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Definition
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Term
| Nonequivalent control group design 13 |
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Definition
These studies DO use a control group
But… the two groups are not equivalent, which becomes a confounding variable
There is a lack of randomization and a selection bias here |
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Term
| Nonequivalent groups pretest-posttest design 13 |
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Definition
| Researcher obtains one or more groups of participants who are similar to the group that receives the quasi-independent variable |
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Term
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Definition
| Measure the dependent variable on several occasions before and after the quasi-independent variable occurs |
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Term
| Comparative time series design 13 |
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Definition
| examines two or more variables over time in order to understand how changes in one variable are related to changes in another variable. |
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Term
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Definition
| a threat to internal validity, how do we know if it were due to another event. |
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Term
| Cross-sequential cohort design 13 |
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Definition
| allows researchers to tease apart age and cohort effects. ow or more age cohorts measured two or more times. |
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Term
| Experimental contamination 13 |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Nonequivalent control group design 13 |
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Definition
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Term
| Nonequivalent groups pretest-posttest design 13 |
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Definition
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Term
| One-group Posttest only design 13 |
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Definition
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Term
| One-group pretest-posttest design 13 |
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Definition
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Term
| Preexperiemental design 13 |
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Definition
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Term
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Definition
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Term
| Quasi-experimental designs 13 |
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Definition
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Term
| Quasi-independent variable 13 |
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Definition
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Term
| Regression to the mean 13 |
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Definition
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Term
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Definition
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Term
| Selection-by-history interaction 13 |
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Definition
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Term
| Simple interrupted time series design 13 |
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Definition
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Term
| Interrupted time series design with a reversal 13 |
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Definition
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Term
| Interrupted time series design with multiple replications 13 |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| a detailed study of a single individual, group or event. |
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Term
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Definition
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Term
| Criticisms of the group design approach related to error variance, generalizability, and reliability 14 |
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Definition
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Term
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Definition
| describe analyze and compare the behavior of individual participants. |
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Term
| Interparticipant replication |
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Definition
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Term
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Definition
| an individuals behavior when in the same situation on different occasions. |
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Term
| Intraparticipant replication |
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Definition
| replicating the effects of the independent variable with a single participant. |
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Term
| Intraparticipant variance |
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Definition
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Term
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Definition
| two or more behaviors are studied simultaneously. |
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Term
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Definition
| single case experimental design that present varying nonzero levels of the independent variable. |
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Term
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Definition
| the person group or event information done in narrative form. |
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Term
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Definition
| general principals and broad generalizations |
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Term
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Definition
| using theories from psychology in an effort to understand the lives of famous people. |
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Term
| Single-case experimental design |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| divide alpha level by number of tests. |
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Term
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Definition
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Term
| df within, between, and total 12 |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Main effect vs. Simple main effect 12 |
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Definition
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Term
| Multivariate analysis of variance 12 |
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Definition
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Term
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Definition
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Term
| Inferential statistics 11 |
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Definition
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Term
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Definition
| through the table n-2 or n-1 |
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Term
| Alpha level vs. p-value 11 |
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Definition
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Term
| Statistical significance 11 |
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Definition
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Term
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Definition
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Term
| Nondirectional hypothesis 11 |
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Definition
| correlated not predicting which is higher |
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Term
| Directional hypothesis 11 |
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Definition
| predicts which one will be higher. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| how much effect is there in the effect of the IV |
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Term
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Definition
| within subjects or matched pairs. |
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Term
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Definition
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Term
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Definition
| number of participants needed to detect the efect of the IV. how powerful is it. |
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Term
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Definition
| rejecting the null when the null was true |
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Term
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Definition
| fail to reject the nul when in fact it is false. |
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Term
| standard error of the difference between two means. 11 |
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Definition
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Term
| One-way design (as in between- OR within-subjects) 10 |
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Definition
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Term
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Definition
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Term
| Mixed factorial design 10 |
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Definition
| more than one IV one or more between subjects variable. |
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Term
| Expericorr factorial design 10 |
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Definition
| mixed, using more than one kind of design together. |
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Term
Factorial design 10
Interaction
Main effect |
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Definition
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Term
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Definition
| the dependent variable is measured after the experimental manipulation of the IV |
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Term
| Two-group experimental design 10 |
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Definition
| only have two levels of independent variable. |
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Term
| Pretest-posttest design 10 |
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Definition
| measure the dependent variable before and after manipulation of the IV. |
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Term
| Solomon 4-group design 10 |
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Definition
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Term
| Matched-subjects design 10 |
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Definition
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Term
| Matched-subjects factorial design 10 |
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Definition
| matching participants to a particular block usually based on something that correlates with the dependent variable. |
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Term
| Randomized groups design 10 |
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Definition
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Term
| Randomized groups factorial design 10 |
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Definition
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Term
| Repeated measures design 10 |
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Definition
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Term
| Split-plot factorial design 10 |
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Definition
| subdivided. assigned to one or the other randomly. |
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Term
| Repeated measures factorial design 10 |
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Definition
| particpants participate in every condition of the condition. |
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Term
| Randomized groups design 9 |
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Definition
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Term
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Definition
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Term
| Confounding variable and Confound variance 9 |
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Definition
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Term
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Definition
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Term
| Systematic variance vs. Error variance 9 |
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Definition
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Term
| Sourced of error variance (from lecture) 9 |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Between-groups variance 9 |
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Definition
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Term
| Experimental group vs. control group 9 |
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Definition
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Term
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Definition
| researchers helper, sometimes a participant, or bystander, sometimes effecting the independent variable. |
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Term
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Definition
| changing the order of the independent variable and levels of a test. |
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Term
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Definition
| tired, less motivated, or bored. |
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Term
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Definition
| like practicing to memorize one set of words in a study will help you in another study with different words because you practiced memorizing in general. |
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Term
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Definition
| how an experiment is effected by the order in which they participate. so practice fatigue and sensitization can effect it. |
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Term
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Definition
| due to lingering effects of another independent variable or like caffeine given, and then wait till all the caffeine wears off before giving more. |
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Term
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Definition
| where the experimenter and the participant are kept in the dark. a researcher instructs the experimenter. |
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Term
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Definition
| pain, drugs, surgical. , chemicals. etc... |
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Term
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Definition
| aspect of a study that indicates how someone should behave. |
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Term
| Experimenter’s dilemma 9 |
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Definition
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Term
| internal validity in experiments 9 |
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Definition
| the degree to which a researcher draws accurate conclusions about the effect of the IV. |
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Term
| Independent variable vs. Dependent variable 9 |
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Definition
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Term
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Definition
| levels like 0 mg 300mg 600 mg 900 mg. |
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Term
| Simple random assignment 9 |
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Definition
| random assignments like flipping a coin. |
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Term
| Matched random assignment 9 |
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Definition
| like a pretest to know where thee should be placed like a math test for a anxiety with math testing |
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Term
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Definition
| experimental conditions are not equalized before participants receive the IV. not equal groups. |
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Term
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Definition
| due to what they learned earlier. like one group watched National geographic, one watched a rape, and then were asked about sexual aggressiveness. |
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Term
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Definition
| when you think the IV does it, but really it is the pretest that causes it. |
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Term
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Definition
| destroys befits of randomness if it is not just normal quitting, dyeing, etc.. where it is not devastating. |
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Term
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Definition
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Term
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Definition
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Term
| Experimenter expectancy effect 9 |
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Definition
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Term
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Definition
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Term
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Definition
| change that occurs by the mere suggestion that the change will happen. |
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Term
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Definition
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Term
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Definition
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Term
| Confounding variable and Confound variance 9 |
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Definition
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Term
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Definition
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Term
| Systematic variance vs. Error variance 9 |
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Definition
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Term
| Sourced of error variance (from lecture) 9 |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Between-groups variance 9 |
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Definition
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Term
| environmental manipulation |
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Definition
| manipulate the amount of reward, lighting, view something pleasant or unpleasant. |
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Term
| Instructional manipulation |
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Definition
| how you give the instructions of the research to someone, get as many right as you can no penalty or get as few wrong, etc... |
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Term
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Definition
| the degree to which a result obtained can be replicated or generalized to other samples. |
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Term
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Definition
| participants that you loose in a study, they quit, wont' complete it, death etc |
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Term
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Definition
| equal to the mean of all groups |
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