True or false? In descriptive statistics, you are simply describing what is or what the data shows.
What is True
100
True or false? You should create your data files in SPSS.
What is false. They should be created in Excel.
100
True or false? In a normal distribution, the mean = the median = the mode
What is true
100
True or false: Hypotheses come before theory building in the research process
What is false. Theory building comes before hypothesis generation.
100
True or false: In inferential statistics, we infer from the population what the sample might think.
What is false. In inferential statistics, we infer from the sample what the population might think.
200
The three measures of central tendency
What is mean, median, mode
200
When conducting analyses in SPSS, should you run the actual analysis or descriptive statistics first?
Descriptive statistics
200
The values of an observation expressed in standard deviation units
What is z score
200
A variable that changes the size and/or direction of the relationship between two other variables
What is moderator
200
All individuals in the defined population have an equal chance of being part of the sample.
What is random sampling
300
the estimate of the average variability (spread) of a set of data
What is variance
300
In order to create a difference score between two variables, go to this command function.
What is compute new variable
300
______ is all members of a specified group. _______ is a subset of the ________.
What is Population is all members of a specified group. Sample is a subset of the population.
300
A variable that is held constant in order to assess the relationship between two other variables.
What is control variable
300
number of observations that are free to vary
What is degrees of freedom
400
Measure of shape that is positively or negatively pulled to the left or right
What is skewness
400
File that contains all instructions for SPSS program to run analyses
What is syntax file
400
Percentage of sample responses that fall within three standard deviations of the mean.
What is 99%
400
All data collection methods contain some degree of ______. Using instruments that have been used in other studies is beneficial because they demonstrate ______ and ________.
What is All data collection methods contain some degree of error. Using instruments that have been used in other studies is beneficial because they demonstrate reliability and validity.
400
True or false: the confidence interval is an interval within which we are 95% confident the population mean will fall.
What is false. It is a range of scores constructed such that the population mean will fall within that range in 95% of samples.
500
Measure of association used when data is ordinal or ranked
What is Spearman rho
500
You should always include this in your data file name each time you save it.
What is the date
500
Formula for variance
What is SS/ N-1
500
True randomized experiments have these two elements
What is participants must be randomly assigned to groups/conditions and independent variable must be active.
500
Random assignment is defined as:
What is each potential participant has an equal and non-zero probability of being assigned to each experimental condition.