302 FINALLLLLLL

• Random assignment


  Avoid selection threats
• Matching


  Reduce initial differences between the experimental and control groups on the dependent variable
• One group pretest posttest design


  Measure self-esteem of divorced women before and after counseling, compare pre and post test results
• Two different doses of one drug compared for treating hypertension, half receive one dose, half receive other dose

  
  

  1 IV between subjects design
• Block randomization


  presenting each condition once before any condition is repeated
• Random sampling


  Giving each individual in a population a number and then using a random number table to identify which participants will be included
• One variable within subjects design


  Participants evaluate 4 different clothing styles in reverse counterbalanced order
• A one group pretest/posttest design would not have a comparison group
• Constant conjunction/internal validity


  Cause has to be present whenever the effect is obtained
• Lab and field studies

  • Differ in control and realism/setting
• Association


  "Owning a dog related to higher life satisfaction"
• Construct validity


  Do the results support the theory behind the research?
• Statistical conclusion validity


  The extent to which data from a study supports a true cause-effect relationship rather than chance
• Construct validity


  Participant interprets manipulated instructions differently than the researcher intended threatens
• Synergistic interaction


  Higher levels of one IV increase the effect of another rIV
• Disordinal and antagonistic interaction


  Shaped like an "X"
• Moderation


  Relationship between two variables depends on a third variable
• Causal claim


  "Texting while driving reduces impulse control"
• Regression to the mean is especially problematic when one group has an extremely high score at pretest
• Researchers used methods to identify or correct for attrition, such as determining whether those who dropped out of the study had a different pattern of scores than those who stayed in the study
• I frequently solve and enjoy solving crossword puzzles and Sodoku puzzles is an example of what?

  double barreled question
• I have never not enjoyed thinking

  double negative