psc41-11-06-07 - • Write in the past tense if you are...

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1 Probability ( p ) Classical Hypothesis Testing Null Hypothesis (H 0 ) Alternative Hypothesis (H 1 ) Alpha Level ( p < .05 or p < .01) Hypothesis Testing Type I & Type II Errors Type II Error ( β ) Correct Fail to Reject H 0 Correct Type I Error ( α ) Reject H 0 Decision H 0 is False H 0 is True Significant Differences
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2 Conclusions depend on: 1. Sample size 2. Variability Standard Scores Z-scores z = (X-X)/s Standard Scores Z-scores z = (X- μ )/ σ
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3 Testing Mean Differences t -Test for Independent Groups • Correlated t -Test – Within-subjects design – Matched-subjects design Analysis of Variance (ANOVA) – Levels versus factors – Between-subjects versus Repeated Measures Miscellaneous Statistical Terms • Power Effect Size • Meta-Analysis Chapter 6
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4 Discussion Assignment 5
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Unformatted text preview: • Write in the past tense if you are talking about research that has already been conducted. • Write in the third person. Avoid using the first person. • Write clearly and concisely. • All number that start a sentence or are less than 10 must be written as words. • Margins are 1” all the way around. • Double space everything. Introduction • Develop a pertinent theoretical background via a literature review which may include articles that both support and disconfirm your position. • State the purpose, rationale, hypotheses, and/or predictions in the closing paragraph(s) of this section....
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