#### Transcript Jeopardy Review

Jeopardy Hypothesis Testing t-test Basics t for Indep. Samples Related Samples t— Didn’t cover— Skip for now Ancient History $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 Hypothesis Testing--$100 This always specifies that the treatment had no effect or made no difference. answer Hypothesis Testing--$200 Hypothesis testing is said to be this kind of a process because sample data is used to make decisions about a population. answer Hypothesis Testing--$300 Rejecting the null hypothesis when, in fact, the null hypothesis is true. answer Hypothesis Testing--$400 Retaining the null hypothesis when, in fact, the null hypothesis is false. answer Hypothesis Testing--$500 Rejecting the null hypothesis when, in fact, the null hypothesis is false. answer T-test Basics--$100 Use a t statistic instead of a z statistic when this is not known. answer T-test Basics--$200 The shape of the t-distribution is determined by answer T-test Basics--$300 In general, a t-test can be expressed as this ratio. answer T-test Basics--$400 Use this kind of t-test when comparing a single sample to a hypothesized population value. answer T-test Basics--$500 The alternative hypothesis for a two-tailed t-test comparing the mean of one sample to a hypothesized population mean of 450 ms. answer Independent Samples--$100 Another name for an independent samples design. answer Independent Samples--$200 The number of scores contributed by each participant in an independent samples design. answer Independent Samples--$300 In an independent samples design, this special calculation of variability must be computed and used to figure the estimated standard error. answer Independent Samples--$400 A simple average of the group variances can be used to calculate estimated standard error only when __________. answer Independent Samples--$500 For an independent samples design, if df=18 the total number of participants must be ___. answer Repeated Samples--$100 Another name for a repeated samples design. answer Repeated Samples--$200 The number of scores contributed by each participant in a repeated samples design. answer Repeated Samples--$300 A variant of the repeated samples design in which great care is taken to minimize individual differences between two participants. answer Repeated Samples--$400 The null hypothesis for a two-tailed test in a repeated samples design. answer Repeated Samples--$500 In a repeated samples design, the estimated standard error is reduced because this can be removed. answer Ancient History--$100 This means “two names,” referring to a scale consisting of exactly two categories. answer Ancient History--$200 Use this to look up the proportion of the normal distribution corresponding to a particular zscore. answer Ancient History--$300 Use this research strategy to describe the relationship between two variables. answer Ancient History--$400 A researcher administers the same drug to 3 groups of participants, with each group confined to a room with a different temperature—60, 70, and 80 degrees respectively. What is the independent variable and how many levels are there? answer Ancient History--$500 The z-score distribution will always have a mean of ___ and a standard deviation of ___. answer Hypothesis Testing--$100 A: What is the null hypothesis? Back to board Hypothesis Testing--$200 A: What is inferential? Back to board Hypothesis Testing--$300 A: What is a type I error? Back to board Hypothesis Testing--$400 A: What is a type II error? Back to board Hypothesis Testing--$500 A: What is power? Back to board T-test Basics--$100 A: What is the population standard deviation or the population variance? Back to board T-test Basics--$200 A: What is df or n? Back to board T-test Basics--$300 A: What is obtained (observed) difference over difference expected by chance alone? Back to board T-test Basics--$400 A: What is a one sample or single sample t? Back to board T-test Basics--$500 A: What is μ is not equal to 450? Back to board Independent Samples--$100 A: What is a betweensubjects design? Back to board Independent Samples--$200 A: What is 1? Back to board Independent Samples--$300 A: What is pooled variance? Back to board Independent Samples--$400 A: What is n1=n2? Back to board Independent Samples--$500 A: What is 20? Back to board Repeated Samples--$100 A: What is a within-subjects design? Back to board Repeated Samples--$200 A: What is 2 (at least)? Back to board Repeated Samples--$300 A: What is a matched subjects design? Back to board Repeated Samples--$400 A: What is the population mean of the difference scores is equal to zero? Back to board Repeated Samples--$500 A: What is the variability due to individual differences? Back to board Ancient History--$100 A: What is binomial? Back to board Ancient History--$200 A: What is the unit normal table? Back to board Ancient History--$300 A: What is correlational? Back to board Ancient History--$400 A: What is room temperature and 3 levels? Back to board Ancient History--$500 A: What is 0 and 1? (in that order) Back to board