WorksheetsM&E Chapter 5 Quiz
Total questions: 16
Worksheet time: 8mins
What do statistically significant findings imply?
The results are very important.
The results are not very important.
The results are likely due to chance differences among groups.
The results are likely due to real differences among groups.
Which of the following methods is used to test the association between two nominal variables?
chi-square
t-test for two dependent groups
one-way ANOVA
two-way ANOVA, repeated measures
An investigation was conducted on how the time of year (winter, spring, summer, fall) affects body weight and basal metabolic rate. What is(are) the independent variable(s)?
time of year
body weight and basal metabolic rate
body weight
basal metabolic rate
An investigation was conducted on how the time of year (winter, spring, summer, fall) affects body weight and basal metabolic rate. What is (are) the dependent variable(s)?
time of year
body weight and basal metabolic rate
body weight
basal metabolic rate and time of year
Which statistical method is used to estimate percent body fat based on age, gender, and skinfold measurements?
Pearson correlation coefficient
simple regression
MANOVA
multiple regression
A researcher investigated the relationship between age (10 years, 12 years, 14 years) and gender on percent body fat. What is (are) the dependent variable(s)?
A. percent body fat
B. gender and age
C. age and percent body fat
D. age
The fitness instructor is concerned with pretest to posttest differences in percent body fat from subjects involved in a water aerobic training class. The correct statistic the teacher should use to examine this mean difference is
A. t-test for independent groups
B. t-test for dependent groups
C. chi-square
D. one-way ANOVA
Suppose you conducted an experiment where you examined the effects of strength training on three factors: muscular endurance, muscular strength, and muscular power. Which of the following would be true?
A. Strength training would be a dependent variable.
B. Muscular power would be an independent variable.
C. Muscular endurance would be a control variable.
D. none of the above
Which of the following methods is used when one group of subjects is measured on only two separate occasions?
A. chi-square
B. dependent t-test for paired groups
C. one-way ANOVA
D. two-way ANOVA, repeated measures
Which of the following is an inferential statistic?
A. mode
B. F ratio
C. standard deviation
D. range
What is the appropriate inferential statistics test for examining relationships between two means? (Assume the data are interval or ratio.)
A. t-test
B. multiple regression
C. one-way ANOVA
D. Pearson correlation coefficient
The null hypothesis in an experiment is
A. always false
B. the same as the research hypothesis
C. the statistical hypothesis that predicts no relationship
D. the statistical hypothesis that predicts a treatment effect
Research in sport and exercise science strives to
A. describe behaviors
B. predict behaviors
C. control behaviors
D. explain behaviors
E. all of the above
Inferential statistics are used to decide if differences among treatment groups are due to the __________ or due to (the) __________.
A. independent variable; dependent variable
B. dependent variable; chance error
C. confounding variable; dependent variable
D. independent variable; chance error
A parameter comes from a population while a statistic comes from
A. a computer program
B. a mean
C. a t-test or ANOVA
D. a sample
What is the first step of the scientific method?
A. Problem Statement
E. Report Results and Conclusions
C. Data Collection (Methods)
D. Analyze Data
B. Hypothesis
