Quiz 1 Questions

Quiz 1 Questions - Quiz 1 Questions 10/9/2007 11:20:00 PM...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Quiz 1 Questions 10/10/2007 01:20:00 1. Identify and describe three criteria used to judge scientific theories Falsifiability : degree to which a theory can be tested against facts/can be  proven wrong Generality : theories that deal with more phenomena, with a great range of  observation is preferred  Simplicity : fewer constructs and assumptions are preferred 2. Briefly describe how the use of a double-blind procedure can avoid problems  that could otherwise ruin an experiment Neither the subject nor the person conducting the experiment know whether  the subject is in the control of the experimental group Avoid placebo effects and experimenter effects o If both the experimenter and the subject is unaware of the treatment  they’re receiving then any expectations they have can be removed that  would may otherwise change the data of the experiment 3. What is random assignment? When is it used, and why is it important? Random placement of subjects to different treatments (experimental groups)  or no treatment at all (control group) It’s used in all experiments to remove any sample bias. If the group is  randomized, then the group attributes for the different treatments will be  roughly equivalent and therefore any effect observed between treatment  groups can be linked to the treatment effect and not a characteristic of the 
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 6

Quiz 1 Questions - Quiz 1 Questions 10/9/2007 11:20:00 PM...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online