KIN 371 QUIZ questions and answers

the mean heart rate of students in this class is 61 with a standard deviation of 3. the middle 68% of scores will be between:

58 and 64

which of the following terms is used in connection with intensity of exercise and refers to the ratio of metabolic rate during exercise to the rate while resting?

MET

to calculate sampling error (SE) variance is calculated as:

a function of proportions

what is not a way that we can increase power for experimental research? -add additional IVs -increase the difference between groups' means -add additional participants -decrease the difference between groups' variances

add additional independent variables

a basic characteristic of correlational research is that it

cannot establish cause and effect

what is used to interpret the meaningfulness of a correlation coefficient? -coefficient of determination -coefficient of optimization -your (the researcher) interpretation -the correlation itself

coefficient of determination

which of the following is a delimitation? -participants dropped out of a study -fatigue -small sample size (not your choosing) -collecting data from only adolescent girls

collecting data from only adolescent girls

which of the following is a delimitation? -participants dropped out of a study -fatigue -small sample size (not your choosing) -collecting data from only adolescenct girls

collecting data from only adolescent girls

the accuracy with which a 12-min run test estimates maximal oxygen consumption (VO2 Max) in a group of male high school seniors represents which type of validity ?

concurrent gold standard is maximal oxygen consumption (VO2 MAX)

comparing test items with the course objectives (course topics) checks with which type of validity?

content compares test items with course objectives

A statistical technique used to determine the relationship between two or more variables is called a: -chi square -factor analysis -t-test -correlation

correlation

what must be done before data can be analyzed from qualitative studies?

data reduction

a survey technique that asks a jury of experts to respond to a series of questionnaires in order to reach a consensus about important issues is the:

delphi survey method

the populations, settings, treatment variables, and measurement variables that an effect from a study can be generalized to is called what?

external validity keyword: generalized

A factor that may affect the outcome of a study that is not controlled for or included is called what? -control -extraneous -moderator -categorical

extraneous

a qualitative research technique involved interviews of small numbers of participants in a group setting. These groups are called:

focus groups

a case study

gathers data from a single person or from a limited number of similar people

In discriminant function analysis, one is able to predict: -group membership -a continous variable -a multiple criterion variable -the probability of occurrence

group membership

individuals performing well merely because they are being observed (and not necessarily because of any effect of treatment) are considered to be under the influence of what effect?

hawthorne effect

the most common source of data for qualitative studies is:

interviews

scaled responses to questionnaires items such as strongly agree, agree, no opinion, and so on are referred to as WHAT scale items

likert-scale

a researcher wishes to study a group of children over a period of 10 years beginning in 2018 and ending in 2028. this is an example of a WHAT study

longitudinal

findings are said to be statistically significant when there is a WHAT probability that differences among treatment groups were caused by chance factors

low

when a researcher rejects H0 (null hypothesis)when H0 is false, he/she has

made a type I error

An effect size of .45 would be considered: -small -moderate -large -not a value for effect size

moderate

the descriptive, analytical narratives that are a trademark of qualitative research are also called

narrative vignettes

a double-blind experiment is one in which:

neither the researcher nor the participants know which participants receive the experimental treatment

nonparametric statistics are particularly useful when you have what type of data?

nominal/ and or ordinal

a researcher tests the knowledge that 10,000 school children from the SW US have about nutrition, and the scores are transformed into percentiles by grade level. this type of research is a WHAT study

normative

which of the following are most difficult to analyze in a questionnaire study?

open-ended items/questions

You are using BMI as a measure of body composition for your first study. What must you provide your audience in order to test your hypotheses and evaluate your results regarding BMI? -operational defintion -basic assumption -dictionary definition -limitations

operational definiton

prevalence of disease differs from incidence of disease in that prevalence refers to the number of:

people who presently have a disease, whereas incidence relates to new cases

what is not a component of epidemiological research?

physical activity

what is the term used for the concept associated with a set of attributes that people have or achieve that relates to the ability to perform physical activity?

physical fitness

what should be conducted before completing your actual study to inform you on the quality of your survey?

pilot study

In which part of the method section should you expect to find info about when the participants were tested? -procedures -participants -instruments -design and analysis

procedures

what type of sampling is used in qualitative research?

purposeful sampling

the one characteristic of true experimental designs that pre experimental designs and quasi experimental designs do not have is:

random assignment to groups

a measure of the association of the exposure-disease relationship typically employed in cohort studies is called

relative risk

A researcher predicts that there will be a positive relationship between social support from teammates and enjoyment of one's sport. This is an example of a: -limitation -research hypothesis -basic assumption -null hypothesis

research hypothesis

determinants of disease are often called:

risk factors

what is the mixed methods study design called when the components (quant and qual) are staggered (one after the other)?

sequential mixed methods, explanatory components (qual and quant) are one after the other: sequential mixed methods, exploratory

which term is used to describe the shape (symmetry) of a distribution?

skewness

standard error is interpreted as

standard deviation standard error; standard deviation

what does the standard deviation of a set of scores represent?

the spread of scores about the mean

an explanation of some aspect of practice that permits a researcher to draw inferences about what is happening is called:

theory

you decide to set the level of significance for your study at the 0.5 level. You are setting the probability of committing which type of error?

type I error

when a researcher fails to reject the null hypothesis when there really is a difference, he/she commits what type of error.

type II error