Equations Flashcards Preview

175.203 Psychological Research > Equations > Flashcards

Flashcards in Equations Deck (10)
Loading flashcards...
1
Q

Mean

A
2
Q

Variance

A
3
Q

Standard deviation

A
4
Q

t-test

A
5
Q

Effect size

A
6
Q

Z Score.

The observed difference divided by the expected difference in a single score from a sample or population.

A
7
Q

Reverse z score

to get a sample score from a z-score

A
8
Q

Standard Error of Mean

Indicates the amount the sample mean will deviate from the population mean.

As N gets bigger the SEM gets smaller.

Larger samples estimate the population mean better.

Larger samples = Lower standard error of mean

A
9
Q

The chi-square test is used when dealing with nominal data.

Where O is the observed frequency in each cell, E is the expected frequency in each cell, and the symbol sigma refers to summing over all cells.

A
10
Q
A