the variable that is manipulated during an experiment
independent variable
100
the average
mean
100
True or False? Correlations tell us the cause of a behavior.
False.
100
part of the neuron that receives messages
dendrites
200
Just watching naturally occurring behavior, not interacting or changing anything
naturalistic observation
200
During an experiment, some people receive pills and other people received nothing. The people who received nothing are in the ______________ group.
control
200
the median of this group of numbers
3, 4, 8, 6, 7
is
6
200
As the temperature rises, the amount of ice cream eaten increases. This is a _________________ correlation.
positive
200
Part of the neuron that passes messages to other neurons
axon
300
repeating an experiment
replication
300
Sam did an experiment on memorizing vocabulary words. Some students had flashcards; other students did not. What is the dependent variable?
how many words they could memorize
300
the difference between the highest and lowest score
range
300
Height and Intelligence are _______________ correlated.
not
300
fatty tissue that wraps around the axon
myelin sheath
400
general explanation based on principles that organizes observations
theory
400
When neither the experimenters nor the participants know if they are in the experimental or control group, this is known as a ___________ ________ study.
double blind
400
the bell-shaped curve that describes the data; most scores are near the middle
normal curve
400
The more a student studies, the less time she has for socializing. Studying and socializing are _____________ correlated.
negatively
400
the space or gap between two neurons
synapse
500
Doing a study of one person extremely in-depth. The researcher might talk with the person's neighbors, family, friends, teachers, and co-workers.
case study
500
During a study on depression, Stacy thought she was taking a drug, but it was just a sugar pill. Stacy was taking a ______________.
placebo
500
extreme scores tend to fall back to average (Diane finds this depressing)
regression toward the mean
500
Statistical index of the relationship between two things, expressed by a number between -1 and +1