Variables - Placebo Placebo: A fake pill (sugar), injection...

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

View Full Document Right Arrow Icon
Variables Independent Variable: Condition(s) altered by the experimenter; experimenter sets their size, amount, or value; these are suspected causes for behavioral differences Dependent Variable: Demonstrates effects that independent variables have on behavior Extraneous Variables: Conditions that a researcher wants to prevent from affecting the outcomes of the experiment (e.g., number of hours slept before the experiment) Groups Experimental Group: The group of participants that gets the independent variable Control Group: The group of participants that does NOT get the independent variable Random Assignment: Participant has an equal chance of being in either the experimental or control group
Background image of page 1

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

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

Unformatted text preview: Placebo Placebo: A fake pill (sugar), injection (saline), or condition Placebos alter our expectations about our own emotional and physical reactions Placebo Effect: Changes in behavior that result from expectations that a drug or other treatment will have some effect These expectancies then influence bodily activities Experiment Types Single Blind: Only the subjects have no idea whether they get real treatment or placebo Double Blind: The subjects AND the experimenters have no idea whether the subjects get real treatment or placebo Best type of experiment if properly set up...
View Full Document

Page1 / 2

Variables - Placebo Placebo: A fake pill (sugar), injection...

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