Investigations in Psychology 1st Sem Review

Method of intense study of just one individual:

• Naturalistic Observation

• Experimental Study

• Case Study

• Survey

In an experiment, the _________________ variable is tested by the researcher to observe its effect(s) on the _________________ variable.

• A.independent; dependent

• B.first; second

• C.dependent; independent

• D.research; results

Measure of central tendency calculated by adding up all scores and dividing by the number of scores in the data set.

• Median

• Mode

• Mean

Which of the following is the median for the data set: 4, 4, 5, 6, 7, 7, 7, 8, 9?

• 4

• 7

• 9

Which of the following is the mode for the data set: 4, 4, 5, 6, 7, 7, 7, 8, 9?

• 4

• 7

• 9

This refers to the method of gaining enough participants that represent various backgrounds of people, allowing researchers to generalize results to the larger population:

• Full sampling

• Double-blind placebo experiment

• Random sampling

• Naturalistic study

A hypothesis is

• is an educated guess.

• the final conclusion.

• is the independent variable.

• is the dependent variable.

What are the two main parts of the central nervous system?

• somatic and autonomic nervous systems

• right and left brain hemispheres

• neurons and synapses

• brain and spinal cord

What are the basic cells of the nervous system called?

• Neurons

• Dendrites

• Synapses

• Axons

Marshall is out with friends and decides to drink some beer.  Marshall starts to feel the need to dance and then quickly becomes tired.  Marshall is tires out quickly from drinking and dancing because alcohol is a...

• depressant
• stimulant
• opiate
• hallucinogen