Research Methods in Psychology
Research Methods in Psychology 031 010
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This 21 page Class Notes was uploaded by Mason Miller Jr. on Friday October 23, 2015. The Class Notes belongs to 031 010 at University of Iowa taught by Jonathan Mordkoff in Fall. Since its upload, it has received 26 views. For similar materials see /class/228096/031-010-university-of-iowa in Psychlogy at University of Iowa.
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Date Created: 10/23/15
Recap less responsibility less motivation LlJ cause gt LlJ effect ll EV more witnesses slower helping Validity Diamond ExternaIValidity Internal Construct Validity Validity Statistical Conclusion Validity Validity Diamond paradigms ExternaIValidity Internal Paradigms Validity Construct Validity Statistical Conclusion Validity Validity Diamond paradigms Internal Paradigms Construct Validity Validity paradigm a standard method incl the manipulations and the measures for studying a particular issue the method has been validated to the extent that it s been shown to have both internal and construct validity Two Example Paradigms Example exogenous spatialcuing Issue involuntary capture of visual attention Method irrelevant cues at random locations sometimes the cue is at target s location valid sometimes the cue is elsewhere invalid exogenous spatial cuing demo vahd t a exogenous spatial cuing demo anahd t a Two Example Paradigms Example exogenous spatialcuing Issue involuntary capture of visual attention Method irrelevant cues at random locations sometimes the cue is at target s location valid sometimes the cue is elsewhere invalid Operational Definition an advantage in response time for valid cues as compared to invalid cues is taken as evidence that attention was captured 10 Two Example Paradigms Example exogenous spatialcuing Issue involuntary capture of visual attention Paradigm effect on RT ofwhether the cue is at the same location as the target attentional capture is there any other possible effect of having a visual event occur at the same location besides a shift of attention is there any other reason for RT to depend on cue validity besides a shift in attention Levels of Internal Validity attention is visual encoding captured is facilitated LP cause gt LP effect f IV DV examples 12 Two Example Paradigms Example the you weren t chosen trick Issue coping with social rejection reconnect Method everyone but only one is the real subject writes the names of preferred partners I m sorry but noone chose you vs control Operational Definition an increase in the ability to discriminate real vs fake smiles after rejection is taken as evidence ofa increased motivation to reconnect with others 13 Two Example Paradigms Example you weren t chosen trick Issue coping with social rejection Paradigm noone chose you now some videos is there any other possible effect besides increased motivation to reconnect of being told that noone chose you is there any other reason for an increase in face discrimination after rejection besides an increase in the motivation to reconnect Levels of Internal Validity motivated to facereading reconnect is facilitated LP cause gt LP effect f IV DV examples Validity Diamond paradigms ExternaIValidity Internal Validity Paradigms Construct Validity more than the sum Statistical Conclusion Validity 15 Levels of Internal Validity Standard Internal Validity the extent to which a significant I VDV relationship is causal and not spurious r 7 Condition 1 Data 1 Iv Dv Condition 2 Data 2 Standard Internal Validity the extent to which the only difference created by the manipulation is that which defines the conditions Levels of Internal Validity LP cause gt LP effect f IV 7 DV Levels of Internal Validity LP cause gt LP effect l failure of failure of selective selective influence measurement alt LP cause gt alt LP effect Levels of Internal Validity LP cause gt LP effect If DV failure of selective influence alt LP cause Levels of Internal Validity LP cause gt LP effect IV DV failure of selective measurement alt LP effect Levels of Internal Validity LlJ cause gt LlJ effect f IV DV alternative routes from the IV to the DV which are made possible by low construct validity are like confounds in that they re alternatives to the targeted causal relationship but they aren t technically threats to internal validity
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