psych 101 (ch 2)

Question 1

control group

Answer 1

participants that do not experience the manipulated variable

Question 2

experimental group

Answer 2

The participants who experience the manipulated variable (group designed to answer the research question

Question 3

operational definition

Answer 3

description of what actions and operations will be
used to measure the dependent variables and manipulate the independent
variables.

Question 4

double-blind study

Answer 4

experiment in which both the researchers and the participants are blind to group assignments (controls for both participant and experimenter expectations)

Question 5

placebo

Answer 5

people’s expectations or beliefs influencing or determining their experience in a given situation

Question 6

independent variable

Answer 6

variable influenced/controlled by the experimental (x-axis); difference between the experimental and control group

Question 7

dependent variable

Answer 7

variable that the researcher measures to see how much effect the independent variable had

Question 8

random assignment

Answer 8

method of experimental group assignment in which all participants have an equal chance of being assigned to either group

Question 9

random sample

Answer 9

subset of larger population in which every member of the population that has an EQUAL CHANCE of being selected

Question 10

What does IRB mean?

Answer 10

institutional review board

Question 11

what does IRB do?

Answer 11

committee of administrators, scientists, and community members that reviews proposals for research involving human participants (must approve research proposal before it can proceed)