Understanding educational research: an introduction |
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Page vii
an introduction Deobold B. Van Dalen. Purposes of Control Methods of Control Types of Factors to Be Controlled Design with Minimal Control 237 One-group Pretest-Postest Design (Design 1) Designs with Rigorous Control 240 Control Group ...
an introduction Deobold B. Van Dalen. Purposes of Control Methods of Control Types of Factors to Be Controlled Design with Minimal Control 237 One-group Pretest-Postest Design (Design 1) Designs with Rigorous Control 240 Control Group ...
Page 248
... Group Tlf X T2£ (R) Control Group T1(' T,c DE = Mean of differences between experimental 5s's pretest and posttest scores DC = Mean of the differences between the control 5s's pretest and posttest scores Compare DK and D, to ascertain ...
... Group Tlf X T2£ (R) Control Group T1(' T,c DE = Mean of differences between experimental 5s's pretest and posttest scores DC = Mean of the differences between the control 5s's pretest and posttest scores Compare DK and D, to ascertain ...
Page 264
... control group enables you to assume that the main effects of history, pretesting, maturation, and instrumentation will not be mistaken for the effect of X, for both the experimental and control groups will experience these effects ...
... control group enables you to assume that the main effects of history, pretesting, maturation, and instrumentation will not be mistaken for the effect of X, for both the experimental and control groups will experience these effects ...
Contents
Authority Personal Experience Deduction | 10 |
CONCEPTS CONCERNING | 17 |
NATURE OF OBSERVATION | 39 |
Copyright | |
28 other sections not shown
Common terms and phrases
achievement analysis analysis of variance assigned assumptions behavior bibliography cards cause coefficient column consequences construct control group correlation cross-sectional study dependent variable descriptive determine deviation discussion educational effect employed entities error evidence examine example exists experiment explanation external validity factors facts Figure findings FORTRAN hypothesis Index index register indicate instruments interaction interpretation interval interval scale investigation knowledge Latin square level of measurement locate logical materials mean scores measure method null hypothesis observations obtain operational definitions ordinal scale period phenomena population predict present pretest problem procedures pupils questionnaire questions random reading records reference regression relationship reliability responses sample scale scientific scientific method scientists selected significant social specific standard standard deviation statement statistical subjects teacher techniques theory tion units validity weight