Psych 100 - Quiz Questions

Question 1

Which of the following is NOT a characteristic of a good hypothesis?

1. It is complex
2. It can be tested using empirical methods
3. It is an if, then statement
4. It is falsifiable

Answer 1

1. It is complex

Question 2

Which measure of central tendency is most affected when a distribution of scores has extreme, outlying conditions?

A. Mean
B. Median
C. Range
D. Standard deviation

Answer 2

A. Mean

Question 3

Inhibitory neurotransmitter

Answer 3

GABA (Gamma-aminobutyric acid)

Question 4

Two cerebral hemispheres are connected by a thick, myelinated bundle called the:

A. Corpus Callosum
B. Reticular Formation
C. Medulla
D. Thalamus

Answer 4

A. Corpus Callosum

Question 5

Which branch of the nervous system is responsible for conscious and voluntary movements?

A. parasympathetic
B. autonomic
C. somatic
D. sympathetic

Answer 5

C. Somatic

Question 6

You are teaching your dog to roll over, and reward her with a treat for each stage: down to the ground, belly up, and finally a complete roll. You are applying:

A. Modeling
B. Negative reinforcement
C. Classical conditioning
D. Shaping

Answer 6

D. Shaping - she has learned to complete these tasks in a chain.

Question 7

Compared to neurotransmitters, hormonal messages are:

A. Slower and have more diffuse targets
B. Released into the synaptic cleft
C. Electrical rather than chemical
D. faster and have less diffuse targets

Answer 7

A. Slower and have more diffuse targets

Question 8

Which of the following bridges or connects the central nervous system and the endocrine nervous system?

A. Neuroendocrine cells
B. Dendrites
C. Synpathetic nervous system
D. Parasympathetic nervous system

Answer 8

A. Neuroendocrine cells

Question 9

The hippocampus:

A. Provides negative feedback regulation upon the stress response
B. triggers the stress response
C. is enlarged by chronic stress exposure
D. provides positive feedback regulation upon the stress response

Answer 9

A. Provides negative feedback regulation upon the stress response

Question 10

Which lobe of the cortex processes touch information?

A. temporal
B. occipital
C. parietal
D. frontal

Answer 10

C. parietal

Question 11

Which of the following displays a frequency distribution?

A. box and whisker
B. scatterplot
C. barplot
D. histogram

Answer 11

D. histogram

Looks like bar graph, but no gaps like a bar graph

Question 12

True or false: outliers have a larger impact on the median than the mean

Answer 12

False

Question 13

What does it mean if a value falls within +/- 1 SD from the mean?

A. the value falls in the middle 68% of the distribution
B. the value falls in the positive or negative tails of the distribution
C. the value is the mean of the distribution
D. the value is an outlier

Answer 13

A. the value falls in the middle 68% of the distribution

Question 14

To conclude if a difference between groups is meaningful, we need:

A. an effect size
B. descriptive statistics
C. inferential statistics
D. a histogram

Answer 14

C. inferential statistics