HTH 408 Exam 2 Questions With Complete Solutions
3 Basic requirements of Experimental Research Correct
Answers 1) randomly assign participants into control &
experimental
2) Conduct pre/posttest measure to measure expected areas of
change
3) protect findings from other external explanations
acceptable Cronbach's alpha Correct Answers greater than 0.7
Analysis of Covariance (ANCOVA) Correct Answers
determines the effect of one or more independent variables
while simultaneously controlling for the effect of covariates
(other variables)
Bar graphs Correct Answers Uses vertical bars to represent
each variable being studied
Categorical data Correct Answers -Frequencies (counts, %,
correlation)
-SPSS will do this & make tables/graphs
Characteristics of Non Parametric data Correct Answers -Do
NOT require a normally distributed population
-have wider applications & less difficult to compute
Characteristics of Parametric data Correct Answers -Data
assumed to be normally distributed
-Must meet homogeneity of variances & equal sample sizes
-Frequently considered more powerful
, Computer Assisted Telephone Interviews (CATI) Correct
Answers CATI involves collection of data electronically
-interviewers need to be familiar with the content, mindful of
bias, set a comfortable tone
Confidence interval Correct Answers -a range of possible
values for the population than a single point estimate
contingency questions Correct Answers a type of question that
requires follow-up (ex: Do you use psychiatric medications? so
you may want to follow up with what type of medication?)
Continuous data Correct Answers -Measures of central
tendency, variation, and correlation
-Mean, mean, SD
Continuous Variables Correct Answers Numerical variable that
can take all possible units
Ex: income
Descriptive analysis Correct Answers -First time impression of
a variable
-Allows researchers to sketch details of variables & become
familiar with the sample
Discrete Variables Correct Answers Categorical variables that
only take on whole numbers
Ex: number of children
3 Basic requirements of Experimental Research Correct
Answers 1) randomly assign participants into control &
experimental
2) Conduct pre/posttest measure to measure expected areas of
change
3) protect findings from other external explanations
acceptable Cronbach's alpha Correct Answers greater than 0.7
Analysis of Covariance (ANCOVA) Correct Answers
determines the effect of one or more independent variables
while simultaneously controlling for the effect of covariates
(other variables)
Bar graphs Correct Answers Uses vertical bars to represent
each variable being studied
Categorical data Correct Answers -Frequencies (counts, %,
correlation)
-SPSS will do this & make tables/graphs
Characteristics of Non Parametric data Correct Answers -Do
NOT require a normally distributed population
-have wider applications & less difficult to compute
Characteristics of Parametric data Correct Answers -Data
assumed to be normally distributed
-Must meet homogeneity of variances & equal sample sizes
-Frequently considered more powerful
, Computer Assisted Telephone Interviews (CATI) Correct
Answers CATI involves collection of data electronically
-interviewers need to be familiar with the content, mindful of
bias, set a comfortable tone
Confidence interval Correct Answers -a range of possible
values for the population than a single point estimate
contingency questions Correct Answers a type of question that
requires follow-up (ex: Do you use psychiatric medications? so
you may want to follow up with what type of medication?)
Continuous data Correct Answers -Measures of central
tendency, variation, and correlation
-Mean, mean, SD
Continuous Variables Correct Answers Numerical variable that
can take all possible units
Ex: income
Descriptive analysis Correct Answers -First time impression of
a variable
-Allows researchers to sketch details of variables & become
familiar with the sample
Discrete Variables Correct Answers Categorical variables that
only take on whole numbers
Ex: number of children
