Stats/Methods I JEOPARDY

Jeopardy Validity Research Strategies Frequency Distributions Descriptive Stats Grab Bag $100 $200$200 $300 $500 $400 $300 $400 $300 $400 $500 $400

Validity--$100 The extent to which a researcher can generalize findings to the population answer

Validity--$200 The extent to which a researcher can draw a single, unambiguous conclusion from the results answer

Validity --$300 A study is said to be _______ when an extraneous variable is allowed to vary along with the independent variable. answer

Validity --$400 An ______ variable is a variable that is not being directly studied, but has the potential of changing along with the independent variable. answer

Validity -$500 Although tight control over extraneous variables gives you high levels of _____, it may result in low levels of _____. answer

Strategies & Designs--$100 The goal of this research strategy is to describe a variable as it exists naturally. answer

Strategies & Designs --$200 The goal of this research strategy is to describe the relationship between two variables as they naturally occur in the environment. answer

Strategies & Designs --$300 A researcher joins a religious cult in order to observe the behaviors of the members. The researcher is using _____ observation. answer

Strategies & Designs --$400 This type of research design can be useful for studying unusual clinical cases such as brain injuries. answer

Strategies & Designs --$500 A researcher systematically varies the amount of caffeine in cola (0, 10, and 20 mg) and observes that his participants’ anxiety levels increase as caffeine amount increases. The 0-mg condition is called the __________. answer

Frequency Distributions--$100 The simplest frequency distribution consists of these two columns. answer

Frequency Distributions --$200 The shape of a _____ distribution is perfectly symmetrical. answer

Frequency Distributions --$300 This is the appropriate type of chart (or visual) for discrete data. answer

Frequency Distributions --$400 These two types of charts appropriately represent data from continuous variables. answer

Frequency Distributions --$500 A mathematical procedure for estimating a value that is located between two known values. answer

Descriptive Stats--$100 A statistical measure that determines a single value that accurately describes the typical score of a distribution. answer

Descriptive Stats--$200 This measure of central tendency is the score at the 50 th percentile. answer

Descriptive Stats --$300 This measure of variability measures the average distance between scores and the mean. answer

Descriptive Stats --$400 This measures the average of the squared distances from the mean. answer

Descriptive Stats --$500 In order to calculate this, take the square root of the population variance. answer

Grab Bag--$100 The type of correlation that indicates an inverse relationship between two variables. answer

Grab Bag--$200 In statistical formulas, N represents ______________. answer

Grab Bag--$300 The only appropriate measure of central tendency for data measured on a nominal scale. answer

Grab Bag--$400 Percentile ranks correspond to the values in the ______ column of a frequency distribution answer

Grab Bag--$500 The sum of the deviations from the mean always equal this. answer

Validity--$100 A: What is external validity? Back to board

Validity--$200 A: What is internal validity? Back to board

Validity--$300 A: What is confounded? Back to board

Validity--$400 A: What is extraneous? Back to board

Validity--$500 A: What is internal validity and external validity? Back to board

Strategies & Designs--$100 A: What is descriptive? Back to board

Strategies & Designs--$200 A: What is correlational? Back to board

Strategies & Designs--$300 A: What is participant observation? Back to board

Strategies & Designs--$400 A: What is the case study? Back to board

Strategies & Designs--$500 A: What is the placebo control group? Back to board

Frequency Distributions--$100 A: What is score (X) and frequency (f) ? Back to board

Frequency Distributions--$200 A: What is normal? Back to board

Frequency Distributions--$300 A: What is a bar graph? Back to board

Frequency Distributions--$400 A: What are histograms and frequency distribution polygons? Back to board

Frequency Distributions--$500 A: What is interpolation? Back to board

Descriptive Stats--$100 A: What is central tendency? Back to board

Descriptive Stats--$200 A: What is the median? Back to board

Descriptive Stats--$300 A: What is the standard deviation? Back to board

Descriptive Stats--$400 A: What is the variance (or mean square)? Back to board

Descriptive Stats--$500 A: What is population standard deviation? Back to board

Grab Bag--$100 A: What is negative? Back to board

Grab Bag--$200 A: What is the number of participants/scores in the population? Back to board

Grab Bag--$300 A: What is the mode? Back to board

Grab Bag--$400 A: What is cumulative percentage (c%)? Back to board

Grab Bag--$500 A: What is zero? Back to board