HPER 440 Moran: exam 1

T-score values may extend from _____ to _____

0, 100

compared to applied research, basic research

usually offers more control, such as that done in a lab

researchers interested in the effects of a new anti-anxiety drug. they give the drug to a group of 10 males and measure anxiety levels before and after administrating the drug. what is the independent variable

anti-anxiety drug

researchers interested in the effects of a new anti-anxiety drug. they give the drug to a group of 10 males and measure anxiety levels before and after administrating the drug. what is the dependent variable

anxiety levels

in a business organization of 50 employees, a few people earn extremely high incomes. the mean income for this organization will ______

be higher than the median and mode

the generalizability of the results pertains to what kind of validity

external

distribution curve with a tall hump left of the middle with a tail to the right is a

skewed positive curve

the researchers statement that "the boys in the adventure program will make significantly greater gains in self-concept than the boys in the control group" is an example of an

research hypothesis

in a study designed to assess the comparative of two workbooks use din teaching students about lab procedures, the independent variable would be

workbooks

the term that denotes using ideas, writing, or drawings of others as your own is

plagarism

the ______ is distorted by extreme scores

mean

the most reliable measure of variability is the ______

standard deviation

to determine which of two groups is more homogeneous, you would compare the _____

standard deviation

______ percent of a distribution falls within the limits of plus and minus one standard deviation

68

a scale _____ has a true zero point

ratio

a research hypothesis

is directly testable

which measures of central tendency is best for interpretation of test results

mean

"a researcher wishes to determine the effects of an outdoor adventure summer camp on the self-concept of inner city boys. boys are randomly assigned to the summer camp and to a control situation. the experimental treatment is for three months. a secondary purpose is to see if ages 6, 9, 12 affects the relationship of the camp effects and self-concept" what is the independent variable

adventure summer camp

"a researcher wishes to determine the effects of an outdoor adventure summer camp on the self-concept of inner city boys. boys are randomly assigned to the summer camp and to a control situation. the experimental treatment is for three months. a secondary purpose is to see if ages 6, 9, 12 affects the relationship of the camp effects and self-concept" what is the categorical variable

age level

when every member of a group is measured and no attempt is made to generalize to a larger group. ____ are used to analyze the data

descriptive statistics

in the description of pertinent characteristics of the participants, which of the following would be least pertinent in a study that surveyed the favorite book of children

height of the children

the extent to which the results of a study can be attributed to the treatments used in the study is the definition of what kind of validity

internal

a thesis was submitted with the title "a study comparing the achievement of sixth grade students in moscow, idaho, instructed in health education through closed-circuit television and regular classroom procedure for a period of 16 weeks. the title

is too long

the midmost score in a series is the________

median

the most often recurring score is the _____

mode

in which part of the methods section should you expect to find information about when the participants were tested

procedures

the part of the methods section of research paper that describes the activities of each treatment group

procedures

distribution curve with a tall hump to the right of the middle with a tail to the left is a

skewed negative curve

which measures of variability is best for interpretation of test results

standard deviation

in the instruments part of the methods section, the author should include a description of the

test characteristics of validity and reliability

"a researcher wishes to determine the effects of an outdoor adventure summer camp on the self-concept of inner city boys. boys are randomly assigned to the summer camp and to a control situation. the experimental treatment is for three months. a secondary purpose is to see if ages 6, 9, 12 affects the relationship of the camp effects and self-concept" the researcher states that responses to questions on a self-concept scale may not always be what the person really believes. this is an example of

basic assumption

a researcher predicts that there will be a positive relationship between attitude scores and grade point average. this is an example of a

research hypothesis

"a researcher wishes to determine the effects of an outdoor adventure summer camp on the self-concept of inner city boys. boys are randomly assigned to the summer camp and to a control situation. the experimental treatment is for three months. a secondary purpose is to see if ages 6, 9, 12 affects the relationship of the camp effects and self-concept" what is the dependent variable

self-concept

in evaluating the methods section of a research report, which is a very important question to keep in mind

did the author provide enough information that the study could be repeated?

at the end of a well written introduction, the reader should be bale to predict

statement of the problem (purpose of the study)

an ___________ is a value that refers to a sample

statistic

another term that describes the unscientific method of tenacity is

superstition